How can we remove the Work tab from the Samsung All Apps screen after deleting the profile?

I have a Samsung SN9600 (international grade 10).

I recently left a job that pushed a professional profile towards the phone.

The work profile has been locked by the employer, as it should be. I found the settings to delete the profile and I also did my best to remove or disable the professional profile applications.

  • Now I want to delete the Work tab in the screen of all applications.

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Any ideas on how to delete this tab?

magento 1.9 – The back end of Magento2 works fine but the front-end does not work and does not show up This page does not work error

I'm working on a magento project. it worked well until today. But today, when I open it, it does not work and the next error arrives in the error log

PHP Fatal error:  Uncaught TypeError: Argument 1 passed to MagentoCatalogModelResourceModelProductCollection::addIsSaleableAttributeToFilter() must be of the type array or null, integer given, called in /home/olfwmbaph2hf/public_html/vendor/magento/module-catalog/Model/ResourceModel/Product/Collection.php on line 1582 and defined in /home/olfwmbaph2hf/public_html/vendor/magento/module-catalog/Model/ResourceModel/Product/Collection.php:2475

can anyone help solve this problem as soon as possible

mac – Several packages do not work

I work on R / macair, and everything worked fine, but I noticed that some packages did not work, they settled well, but when I call them "library" (), I get this error text: "Error in the library (): there is no package called ""I used" Install.packages ("", dependencies = TURE" without effect. These packages include mouse, comorbidity, glmnet and a few others. I've tried removing R manually, and then downloading the most recent version, but now the situation is getting worse as most packages do not work and it takes forever to call a library.
please give your opinion

The PHP Slim v4 router does not work

I have a problem with slim v4 in production mode. When you access the call get & # 39; / & # 39 ;, this is done without problem … but when i want to place a call to a custom route, get & ap = / api / login & # 39; it follows that such a route does not exist.

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Differential equations – Does nonlinearStateSpaceModel work with symbolic constants?

I'm trying to put a non-linear system of two 2nd order ODE given by:

eqs = 
{2 (k1 + k2) q1(t) - 2 k2 q2(t) + 2 c1 Derivative(1)(q1)(t) + 
   2 c2 (Derivative(1)(q1)(t) - Derivative(1)(q2)(t)) + 
   l1 (g m2 Sin(q1(t)) + g m3 Sin(q1(t)) + 
      l2 m3 Sin(q1(t) - q2(t)) Derivative(1)(q2)(t)^2 + 
      l1 (m2 + m3) (q1^(Prime)(Prime))(t) + 
      l2 m3 Cos(q1(t) - q2(t)) (q2^(Prime)(Prime))(t)) == 
  l1 f(t) Sin(q1(t) - q2(t)), 
 2 k2 q2(t) + 2 c2 (-Derivative(1)(q1)(t) + Derivative(1)(q2)(t)) + 
   l2 m3 (g Sin(q2(t)) - 
      l1 Sin(q1(t) - q2(t)) Derivative(1)(q1)(t)^2 + 
      l1 Cos(q1(t) - q2(t)) (q1^(Prime)(Prime))(t) + 
      l2 (q2^(Prime)(Prime))(t)) == 2 k2 q1(t)}

In a nonlinear state space formulation, which, I know, can be done without linearizing second-order terms because

Solve(eqs, {q1''(t), q2''(t)})

Returns how to isolate these double-slashed variables. However, when I try to

sys = NonlinearStateSpaceModel(
  eqs, {q1(t), q2(t), q1'(t), q2'(t)}, {}, {q1(t), q2(t), q1'(t), 
   q2'(t)}, t)

get $ mathbf { dot {x}} = f ( mathbf {x}) $ (that is, to make it a 4-row EDO system of the first order), it will not express it in terms of undefined definition. $ m_ {i}, l_ {i}, k_ {i}, c_ {i}, g $. If I end up defining them as numeric values, I can get the desired column vector ((4,1) matrix) even if the $ f (t) $ in the first equation remains an undefined function of t.

I do not see why Mathematica could not handle symbolic constants because I suppose it would do almost the same algebraic manipulations.

This is possible? Thank you in advance.

Networking – Can not ping the gateway. Random switching between work and not working

I connected to a new Wifi network 2 days ago. Worked well. All of a sudden, I did not have access to the internet anymore. I've got google google and have temporary failure in name resolution. I pinged the mu gateway and I got no answer. A few hours later, I worked again. Then he stopped working again. I spent 2 hours trying solutions found online now. I have no idea what is causing this. Here is a starting point:

▶ iwconfig 
lo        no wireless extensions.

wlp2s0    IEEE 802.11  ESSID:"fisch"  
          Mode:Managed  Frequency:2.462 GHz  Access Point: 78:54:2E:51:7C:7E   
          Bit Rate=65 Mb/s   Tx-Power=22 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=69/70  Signal level=-41 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:24   Missed beacon:0

▶ cat /etc/hosts   localhost   lo-skami

# The following lines are desirable for IPv6 capable hosts
::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

▶ cat /etc/resolv.conf 
# This file is managed by man:systemd-resolved(8). Do not edit.
# This is a dynamic resolv.conf file for connecting local clients to the
# internal DNS stub resolver of systemd-resolved. This file lists all
# configured search domains.
# Run "resolvectl status" to see details about the uplink DNS servers
# currently in use.
# Third party programs must not access this file directly, but only through the
# symlink at /etc/resolv.conf. To manage man:resolv.conf(5) in a different way,
# replace this symlink by a static file or a different symlink.
# See man:systemd-resolved.service(8) for details about the supported modes of
# operation for /etc/resolv.conf.

options edns0

▶ ip r    
default via dev wlp2s0 proto dhcp metric 600 dev wlp2s0 scope link metric 1000 dev wlp2s0 proto kernel scope link src metric 600

▶ ping
ping: Temporary failure in name resolution

▶ ping -c4
PING ( 56(84) bytes of data.

--- ping statistics ---
4 packets transmitted, 0 received, 100% packet loss, time 52ms

▶ ping -c3
PING ( 56(84) bytes of data.

--- ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 44ms

▶ ping -c3 1.1
PING 1.1 ( 56(84) bytes of data.

--- 1.1 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 13ms

It is this Linux installation that is faulty. I had a parallel start for two distributions. The networking of the other distribution works well.

btw. networking for this faulty distribution has also worked in all other wifi networks on which I was. At least until 2 days ago. I have not checked with other networks since then.

Do you have any idea of ​​the cause of this? Do you need other order outputs or newspapers?

custom publication types – WP_List_Table inside Metabox does not work by clicking the search button

I'm trying to display a WP_List_table table inside a metabox. The metabox is intended for the list of users enrolled in a course (type of course post LifterLMS). The columns in the table contain user_id, username, percentage, and notes. I do not think about the fact that I'm trying to do it for a custom message type. I am only mentioning that for the sake of clarity.

What happens is that everything seems to go on until I click on the Search by id button (the function of the wp search button used) on the custom publication type edit screen. WP_List_Table will be redirected to the page /wp-admin/edit.php by clicking on the search button (after entering the ID in the entry element). And it shows an updated administrative post notice at the top of the editing screen.
What you need to do is to list only the user for whom the administrator has performed a search. The same code that I used on other admin menu pages worked well. All other functions work correctly (ascending order, descending order, order_by). Only problem arises with the search feature.
The code is attached below.
The data

/** Class constructor */
public function __construct() {

    parent::__construct( (
        'singular' => __( 'Student', WOOSUB_TEXT_DOMAIN ), //singular name of the listed records
        'plural'   => __( 'Students', WOOSUB_TEXT_DOMAIN ), //plural name of the listed records
        'ajax'     => false //does this table support ajax?
    ) );


 * Function to filter data based on order , order_by & searched items
 * @param string $orderby
 * @param string $order
 * @param string $search_term
 * @return array $users_array()
public function list_table_data_fun( $orderby='', $order='' , $search_term='' ) {

    $users_array = array();
    $args        = array();
    if( !empty( $search_term ) ) {
        $searchcol= array(

        $args  = array(
            'fields'         => 'all_with_meta', 
            'orderby'        => $orderby , 
            'order'          => $order , 
            'search'         => $_REQUEST("s") ,
            'search_columns' => $searchcol
        } else {
                if( $order == "asc" && $orderby == "id" ) {
                    $args = array(
                        'orderby'      => 'ID',
                        'order'        => 'ASC',
            } elseif ( $order == "desc" && $orderby == "id"  ) {
                    $args = array(
                        'orderby'      => 'ID',
                        'order'        => 'DESC',

            } elseif ( $order == "desc" && $orderby == "title"  ) {
                    $args = array(
                        'orderby'      => 'name',
                        'order'        => 'DESC',
            } elseif ( $order == "asc" && $orderby == "title"  ) {
                $args = array(
                    'orderby'      => 'name',
                    'order'        => 'ASC',
            } else {
                $args = array(
                    'orderby'      => 'ID',
                    'order'        => 'DESC',


        $users = get_users( $args );

        if( count( $users ) > 0 ) {
            foreach ( $users as $index => $user) {
                $author_info = get_userdata( $user->ID );
                if ( $user ) {

                    $users_array() = array(
                        "id"         => $user->ID,
                        "title"      => ' '. $author_info->display_name .'' ,
                        "percentage" => 10,
                        "grade"      => '


function list_table_layout () {

$ myRequestTable = new List_Table_Class ();

global $pagenow;

Students Grades Information

prepare_items(); ?> search_box( __( 'Search Students By ID' ), 'students' ); //Needs To be called after $myRequestTable->prepare_items() ?> display(); ?>

list_table_layout ();

Search does not work well

How does CharacterMovementComponent :: PerformMovement work?

I develop an adventure platform game. As such, manipulation, etc. of CharacterMovementComponent is going to be crucial for the game.

I saw the more general explanations of the MovementComponent However, none of them gives an idea of ​​the PerformMovement is coded.

I'm trying to understand it and understand it myself, but since I'm not completely familiar with the component, it's a little difficult to understand.

So I was wondering if anyone here knew anything about it MovementComponent, could tell me how the function actually works or point me in the right direction for the development of our motion systems.

Thread upgrades do not work? | Talk Web Hosting

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Thread upgrades do not work? | Talk Web Hosting

& # 39;);
var sidebar_align = & # 39; right & # 39 ;;
var content_container_margin = parseInt (& # 39; 350px & # 39;);
var sidebar_width = parseInt (& # 39; 330px & # 39;)
// ->

  1. Thread upgrades do not work?

    I've updated a sticky thread with the bold title over an hour ago, but it has not been upgraded yet. How long does it take? It's usually instantaneous.

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database design – Best practice to work around the problem of implementing a Java type field

We have a course in the main library of our company as follows:

public class User {
    private long id;
    private UserType type;
    // Getters, setters, constructors, etc.

and have several options to implement UserType. Whose one is a enum:

public enum UserType {
    DEFAULT (10),
    TYPE_A  (20);

    private int type;

    UserType(int type) {
        this.type = type;

    public int getType() {
        return type;

    public static UserType valueOf(int value){

        for(UserType type : values()){
            if(type.getType() == value){
                return type;
        throw new IllegalArgumentException(String.format("Couldn't convert value : %d into a valid %s object", value, UserType.class));

Our USERS table:

| id | type |
|  1 |   10 |
|  2 |   20 |

We have an RowMapper again, in our library which is as follows:

public class UserRowMapper implements RowMapper {
    public IRuleContainer mapRow(ResultSet rs, int i) throws SQLException {
        return new User(rs.getLong("id"), UserType.valueOf(rs.getInt("type"));

However, a project that takes the master library as a dependency may need to be extended UserType. Conversion UserType in an interface, again does not work, because of RowMapper (again in the library) will have to instantiate a UserType.

Here is what I come with:

public class UserType {
    private int id;
    private String name;
    // Getters, setters and constructors

and the database becomes:


| id | type |
|  1 |   10 |
|  2 |   20 |


| id |  name   |
| 10 | DEFAULT |
| 20 | TYPE_A  |

and in RowMapper we create a user as follows:

return new User(rs.getLong("id"), new UserType(rs.getInt("type_id"), rs.getString("type_name")));

and for the sake of us, we could have a UserTypeContainer:

public class UserTypeContainer {
    public static final UserType DEFAULT = new UserType(10, "DEFAULT");
    public static final UserType TYPE_A = new UserType(10, "TYPE_A");

so that we can use it:


and projects that have this library as an addiction will have to:

1) Have extended types in their database
2) expand UserTypeContainer have their extended types (if they want to use the line above)

Is this an optimal solution? Is it a good programming practice or do you see flaws? What other options do I have?

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