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How can I install from a git subdirectory with pip?
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In general, when working with shell scripts, use double quotes around arguments to be on the safe side. for more best practices see: shellcheck.net or github.com/koalaman/shellcheck
– Erik Aronesty
Jan 17 '19 at 15:38
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How to indent a few lines in Markdown markup?
...sp; (Unicode U+00A0) literal characters can be easily typed on macOS with <kbd>option</kbd>-<kbd>spacebar</kbd>. And code editors with good invisibles support (such as TextMate) will show normal spaces as a faint bullet and non-breaking-spaces as a bolder bullet (but still f...
What are metaclasses in Python?
...xecutes the body of the class statement as a normal block of code. The resulting namespace (a dict) holds the attributes of the class-to-be. The metaclass is determined by looking at the baseclasses of the class-to-be (metaclasses are inherited), at the __metaclass__ attribute of the class-to-be (if...
Creating a blocking Queue in .NET?
I have a scenario where I have multiple threads adding to a queue and multiple threads reading from the same queue. If the queue reaches a specific size all threads that are filling the queue will be blocked on add until an item is removed from the queue.
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Elevating process privilege programmatically?
...ute(C# Process.Start) can elevate - use verb "runas".
// Or an elevate vbs script can launch programs as admin.
// (does not work: "runas /user:admin" from cmd-line prompts for admin pass)
Update: The app manifest way is preferred:
Right click project in visual studio, add, new application mani...
Why are arrays covariant but generics are invariant?
...ariant for reasons pointed out in this answer by Jon Skeet:
No, a List<Dog> is not a List<Animal>. Consider what you can do with a List<Animal> - you can add any animal to it... including a cat. Now, can you logically add a cat to a litter of puppies? Absolutely not.
// Illega...
VSTS 2010 SGEN : error : Could not load file or assembly (Exception from HRESULT: 0x80131515)
...and create a sgen.exe.config in the same folder with following contents:
<configuration>
<runtime>
<loadFromRemoteSources enabled="true" />
</runtime>
</configuration>
sgen.exe is usually at
"C:\Program Files\Microsoft SDKs\Windows\v[current version]\bin\NE...
Is there a “do … while” loop in Ruby?
...
CAUTION:
The begin <code> end while <condition> is rejected by Ruby's author Matz. Instead he suggests using Kernel#loop, e.g.
loop do
# some code here
break if <condition>
end
Here's an email exchange in 23 Nov 2005 w...
Build project into a JAR automatically in Eclipse
I have an Eclipse project where I want to keep my Java project built into a JAR automatically. I know I have an option to export the project into a JAR; if I do a right click; but what I am really looking for is, that like Eclipse automatically builds a project's .class files and put them in targe...
Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
...delegate void SetTextCallback(Form f, Control ctrl, string text);
/// <summary>
/// Set text property of various controls
/// </summary>
/// <param name="form">The calling form</param>
/// <param name="ctrl"></param>
/// <param name="tex...