Did not return HttpResponse object. He returned None instead. (Django)

I must URLPATTERN: re_path (r ajax / login & # 39 ;, ajax.login, name = & # 39; login & # 39;)

I have the record ajax.py

since django.http import JsonResponse

def login (request):
if request.method == & # 39; POST & # 39 ;:
username = request.POST.get ('username')
password = request.POST.get (& # 39; password)

if none in (username, password):
returns JsonResponse ({
& # 39; status & # 39 ;: False,
'Message: Enter the user name and password & # 39;
})

And my javascript that asks for the URL domain / ajax / login

But he returns to me:

The projectoname.ajax.login view did not return an HttpResponse object. He returned None instead.

NOTE: This is not a view, but a file to make validations of forms to send pro ajax in js

php – Value returned by echo

I tell you my problem.
I have a php file that returns echo & # 39; error & # 39 ;;
When I access dataDevueltos in the html file via an alert (dataDevueltos), I receive a window indicating the error alert.
The problem comes when I want to do an if (dataDevueltos == & # 39;) error. This comparison always gives me false. And I do not know where the fault can be.
I have followed a tutorial with JavaScript, and when I do it with these files, everything is fine. But if I try to create an example by myself, it always gives false. Although, as I say, the value returned in the alert is an error.
Greetings.

18.04 / 18.10 / 19.04 Desktop / Windows computers on external monitors are only returned once when changing configuration (bizzare)

when connected with the non-Wayland option:
the external monitors have a black screen when I plug them. I can move my mouse to the screens and they are placed where they should be. However, when I change the refresh rate with xrandr, the external monitors are rendered once and you can see the office.

ex to change the refresh rate:

xrandr --put HDMI - 1-1 - 1920x1080 mode - rate 60
xrandr --output HDMI-1-1 - 1920x1080 mode - speed 59.96

When I saw the office on the external monitors for the first time, I was relieved, but it was short-lived. when I tried to move a window on one of the external monitors, it disappeared when crossing the border, but you can still see the cursor display normally, as if you slide the window on the other screen.
the content is there (desktop, background, icons, etc.), but the screen does not render these elements, but only the cursor. you can see the cursor change when you start dragging an icon from the desktop and you can move it to the built-in display, but you do not see the icon move as long as you do not have it. have not dragged on the built-in display. but on the external monitor its still there.

now, if you change the refresh rate again as above, then the icon you have moved is no longer on the external display as it should (because we have it). have already moved)

after hours and upgrade (18.04 -> 18.10 -> 19.04I realized that I could change the composer to Wayland. so it works on Wayland but does not work on Xorg (the non-wayland option on the login screen)

Am I crazy and no one else's actually experiencing it?

moreover, the system does not start if external monitors are connected at startup
Razer Blade 15 Advanced (2019)

System information

can @ Daedalus: ~ $ inxi -F
System: Host: Daedalus Core: 5.1.0-050100-generic x86_64 bits: 64 Desktop: Gnome 3.32.1
Distro: Ubuntu 19.04 (Disco Dingo)
Machine: Type: Laptop System: Product Razer: Blade v: 3.04 Series: 
           Mobo: Razer Model: CH530 Series:  UEFI: Razer v: 1.00 date: 04/04/2019
Battery: ID-1: BAT0 charge: 80.9 Wh condition: 80.9 / 80.2 Wh (101%)
CPU: Topology: 6-Core Model: Intel Core i7-9750H Bit: 64 Type: MT MCP L2 Cache: 12.0 MB
Speed: 895 MHz min / max: 800/4500 MHz Basic speeds (MHz): 1: 892 2: 900 3: 894 4: 899 5: 900 6: 900
7: 900 8: 900 9: 898 10: 900 11: 900 12: 900
Graphics: Driver 1: Intel UHD Graphics 630 Driver: i915 v: kernel
Device-2: NVIDIA driver: new v: kernel
Display: x11 server: X.Org driver 1.20.4: not discharged: mode resolution: 1920x1080 ~ 240Hz
OpenGL: rendering engine: Mesa Intel UHD Graphics 630 (Coffeelake 3x8 GT2) v: 4.5 Mesa 19.0.2
Audio: Peripheral 1: Intel Cannon Lake cAVS Driver: snd_hda_intel
Device 2: NVIDIA TU106 High Definition Audio Driver: snd_hda_intel
Sound server: ALSA v: k5.1.0-050100-generic
Network: Peripheral-1: Intel Driver: iwlwifi
IF: wlp2s0 state: up mac: 38: 00: 25: a9: 85: 4th
Readers: Local storage: total: 953.87 GiB used: 14.37 GiB (1.5%)
ID-1: / dev / nvme0n1 provider: Samsung model: SSD 970 PRO size of 1 TB: 953.87 GB
Score: ID-1: / Size: 208.48 GiB used: 14.32 GiB (6.9%) fs: ext4 dev: / dev / nvme0n1p5
Sensors: System Temperatures: cpu: 53.0 C mobo: N / A gpu: new temp: 43 C
Fan speed (rpm): N / A gpu: new fan: 0
Information: Process: 330 Availability: 1h 00m Memory: 31.31 GiB used: 2.31 GiB (7.4%) Shell: bash inxi: 3.0.33

geolocation – SD card applications have returned to the device memory after being updated on the Samsung Galaxy A3?

When an application located on the SD card is updated, it is transferred to the phone.
This happens on my Samsung Galaxy A3.
I know I'm supposed to put the default storage location on SD but I do not have the option on my Galaxy A3. I can not find it anywhere in the menu.
The device is not rooted.

Regards,
Katia

apt – Unable to use dpkg – "E: The subprocess / usr / bin / dpkg returned an error code (2)" under Ubuntu 18.04.

I have a problem similar to this question.

While running sudo apt-get upgrade, I had this error:

Extraction of package models: 100%
dpkg: unrecoverable fatal error, dropping:
read file list of the package & # 39; libgs9-common & # 39 ;: error input / output
E: The / usr / bin / dpkg subprocess returned an error code (2)

How can I solve this?

powershell – Multiple values ​​returned with GetDwordValue .uvalue

On some systems, GetDwordValue returns duplicate values ​​(.uvalue)
Orders are
$ reg = Get-WmiObject -List -Namespace root default -computername $ ip.ipaddress | Where-Object {$ _. Name -eq "StdRegProv"}
$ reg.GetDwordValue ($ HKLM, "System CurrentControlSet Control SecurityProviders SCHANNEL Protocols SSL 2.0 Server", "Enabled"). uValue

It returns the values
1
1

If I run this without the value. Uu give me the output below and I know that if we get the 1 1 in duplicate, but not why.
$ reg.GetDwordValue ($ HKLM, "System CurrentControlSet Control SecurityProviders SCHANNEL Protocols SSL 2.0 Server", "enabled")
__GENUS: 2
__CLASS: __PARAMETERS
__SUPERCLASS:
__DYNASTY: __PARAMETERS
__RELPATH:
__PROPERTY_COUNT: 2
__DERIVATION: {}
__SERVER:
__NAMESPACE:
__CHEMIN:
Return value: 0
uValue: 1
PSComputerName:

__GENUS: 2
__CLASS: __PARAMETERS
__SUPERCLASS:
__DYNASTY: __PARAMETERS
__RELPATH:
__PROPERTY_COUNT: 2
__DERIVATION: {}
__SERVER:
__NAMESPACE:
__CHEMIN:
Return value: 0
uValue: 1
PSComputerName:

This happens to about 3 of our servers and can not understand why or how to return a single value.

TreeView.SelectedNode.get returned Null

Currently, I have a treeview and a gridview on my web page. TreeView displays the list of folders in the inbox. Whereas GridView displays emails from these inbox folders. However, when I initially load my e-mail web page, the paging on my gridView does not work and returns an error. What I think is that I did not bind my grid during the method! IsPostBack. But I am trying several ways to solve this problem. Help me, please, to examine this problem and to suggest the best way to solve it. Please refer to the following code. Thank you

Void Page_Load Protected (Object Sender, EventArgs e)
{
B_EmailMsgDelete.Attributes.Add ("onclick", "javascript: if (! DoDeleteEmailMsg ()) returns false;");
IB_EmailMover.Attributes.Add ("onclick", "javascript: if (! DoMoveEmailMsg ()) return false;");

if (! IsPostBack)
{
TreeNode rootTreeNode = new TreeNode ();
rootTreeNode.Text = string.Format (CultureInfo.currentCulture, "& nbsp; {0}", this.curEmailBox);
rootTreeNode.Value = this.EmailFolderList[0];
rootTreeNode.ImageUrl = "../../Images/emailbox.gif";

for (int i = 0; i < this.EmailFolderList.Length; i++)
            {
                if (i > 0)
{
TreeNode treeNode = new TreeNode ();
treeNode.Text = string.Format (CultureInfo.currentCulture, "& nbsp; {0}", this.EmailFolderList[i])
treeNode.Value = this.EmailFolderList[i];
treeNode.ImageUrl = "../../Images/folder.gif";
rootTreeNode.ChildNodes.Add (treeNode);
}

DL_MoveTo.Items.Add (this.EmailFolderList[i])
}

TV_EmaiBox.Nodes.Add (rootTreeNode);
this.GetListEmailList (rootTreeNode.Value);
}
}

protected voila TV_EmaiBox_SelectedNodeChanged (Object sender, EventArgs e)
{
string checkFolder = TV_EmaiBox.SelectedNode.Value.ToString ();
this.GetListEmailList (checkFolder);
}

void protected GV_EmailList_PageIndexChanging (object sender, GridViewPageEventArgs e)
{
GV_EmailList.PageIndex = e.NewPageIndex;
string checkFolder = TV_EmaiBox.SelectedNode.Value.ToString ();
this.GetListEmailList (checkFolder);
}

private void GetListEmailList (string folderName)
{
try
{
LB_ActionError.Text = string.Empty;
PH_MsgDetail.Visible = true;

var emails = EmailMsg.GetEmailListInFolder (folderName);
LB_CurBox.Text = string.Format (CultureInfo.currentCulture, "{0} ({1})", FolderName, emails.Count);

int intTotal = emails.Count;
if (intTotal == 0)
{
LB_ActionStatus.Text = Utility.SetActStatus (true, "No e-mail was found in this folder.");
GV_EmailList.DataSource = new ArrayList ();
GV_EmailList.DataBind ();
GV_EmailList.Visible = false;
}
other
{
LB_ActionStatus.Text = Utility.SetActStatus (true, string.Format (CultureInfo.currentCulture, "There are {0} electronic message (s) found in this folder.", IntTotal);
GV_EmailList.DataSource = emails;
GV_EmailList.DataBind ();
GV_EmailList.Visible = true;

GV_EmailList.SelectedIndex = -1;
}
}
catch (Exception ex)
{
LB_ActionStatus.Text = Utility.SetActStatus (false, ex.Message.ToString ());
}

LB_AdminEmailBox.Text = string.Format (CultureInfo.currentCulture, Entity.GetSetting ("MailBoxAddress"), folderName);
}

The error comes from this line when I click on the index of the gridview page.

string checkFolder = TV_EmaiBox.SelectedNode.Value.ToString ();

I know I'm trying to call a TreeView object in the GridView method. Is there a way to solve this problem? Thank you

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Evaluation: 5

.

debugging – Error returned when switching to "Quick Edit" from a list or library

For some reason, users get the following popup / error message when they switch with "Quick Edit". on a list or a library.

This site says …

Assertion Fails: The Edit Manager is still in the edit state, but the focus is on the entry element of the wire rack!

Enter the debugger?

Popup error

No errors are displayed in the Chrome Developer Tools console. However, it displays the following messages … (I do not know if they are related.)

[Violation]    Addition of a synchronous DOM mutation listener to an event 'DOMSubtreeModified & # 39; Remember to use MutationObserver to make the page more responsive.
[Violation]    The manager & # 39; click & # 39; took 34811ms
[Violation]    Forced pushback while running JavaScript took 35ms
[Violation] Forced pushback while running JavaScript took 38ms

AH00524: The handler for (null) returned the invalid result code 70007

We use a 6 centos server on a digital ocean vps that hosts a custom CRM.

uname -r: 2.6.32-573.8.1.el6.x86_64

CRM … | Read the rest of http://www.webhostingtalk.com/showthread.php?t=1764459&goto=newpost