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What is the difference between mutex and critical section?
Please explain from Linux, Windows perspectives?
10 Answers
10
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How do I avoid the specification of the username and password at every git push?
...Your home directory
ssh-keygen -t rsa #Press enter for all values
For Windows
(Only works if the commit program is capable of using certificates/private & public ssh keys)
Use Putty Gen to generate a key
Export the key as an open SSH key
Here is a walkthrough on putty gen for the above...
Read/write to Windows registry using Java
How is it possible to read/write to the Windows registry using Java?
24 Answers
24
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The bare minimum needed to write a MSMQ sample application
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//From Windows Service, use this code
MessageQueue messageQueue = null;
if (MessageQueue.Exists(@".\Private$\SomeTestName"))
{
messageQueue = new MessageQueue(@".\Private$\SomeTestName");
messageQueue.Label = "Testing Queue"...
Changing the default folder in Emacs
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You didn't say so, but it sounds like you're starting Emacs from a Windows shortcut.
The directory that you see with c-x c-f is the cwd, in Emacs terms, the default-directory (a variable).
When you start Emacs using an MS Windows shortcut, the default-directory is initially the folder (dir...
How to reference the initial commit?
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tail is also not a command that's there by default in windows - works in GitBash on windows though. :)
– Johny Skovdal
Jul 27 '18 at 21:08
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How do I compile C++ with Clang?
... I have the source code of Clang in front of my eyes now. During build (on Windows), it first builds clang.exe, and then copies that executable into clang++.exe. So it's the same executable, just at runtime it checks its own name to distinguish whether to behave as C or C++ compiler. HTH.
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Detect the Internet connection is offline?
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Almost all major browsers now support the window.navigator.onLine property, and the corresponding online and offline window events:
window.addEventListener('online', () => console.log('came online'));
window.addEventListener('offline', () => console.log('came o...
AngularJS $location not changing the path
... of $location.path(...) to change or refresh the page, I used the service $window. In Angular this service is used as interface to the window object, and the window object contains a property location which enables you to handle operations related to the location or URL stuff.
For example, with wi...
SecurityError: Blocked a frame with origin from accessing a cross-origin frame
... origin, if you own both the pages, you can work around this problem using window.postMessage and its relative message event to send messages between the two pages, like this:
In your main page:
const frame = document.getElementById('your-frame-id');
frame.contentWindow.postMessage(/*any variable o...