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Entity Framework: There is already an open DataReader associated with this Command
...sing connection. EF manages connection correctly. My understanding of this problem is that there are multiple data retrieval commands executed on single connection (or single command with multiple selects) while next DataReader is executed before first one has completed the reading. The only way to ...
Preview layout with merge root tag in Intellij IDEA/Android Studio
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to find if div with specific id exists in jQuery?
... is..
if(window["myId"]){
// ..
}
This is also part of HTML5 specs: https://www.w3.org/TR/html5/single-page.html#accessing-other-browsing-contexts#named-access-on-the-window-object
window[name]
Returns the indicated element or collection of elements.
...
Making a triangle shape using xml definitions?
Is there a way that I can specify a triangle shape in an xml file?
20 Answers
20
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Positioning MKMapView to show multiple annotations at once
I've got several annotations I want to add to my MKMapView (it could 0-n items, where n is generally around 5). I can add the annotations fine, but I want to resize the map to fit all annotations onscreen at once, and I'm not sure how to do this.
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Failed to build gem native extension (installing Compass)
When I attempt to install the latest version of compass ( https://rubygems.org/gems/compass/versions/1.0.0.alpha.17 ), I get the following error.
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How to secure an ASP.NET Web API [closed]
... the previous request, it will be rejected.
The demo code is put as here:
https://github.com/cuongle/Hmac.WebApi
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Using GPU from a docker container?
...-recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
$ sudo sh -c "echo deb https://get.docker.com/ubuntu docker main > /etc/apt/sources.list.d/docker.list"
$ sudo apt-get update && sudo apt-get install lxc-docker
Find your nvidia devices
ls -la /dev | grep nvidia
crw-rw-rw- 1 root ro...
Constant pointer vs Pointer to constant [duplicate]
...
const int* ptr;
declares ptr a pointer to const int type. You can modify ptr itself but the object pointed to by ptr shall not be modified.
const int a = 10;
const int* ptr = &a;
*ptr = 5; // wrong
ptr++; // right
While
in...
Connect to a locally built Jekyll Server using mobile devices in the LAN
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...