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What is the proper way to URL encode Unicode characters?
...in a URI must, in effect, represent characters from the unreserved set without translation, and should convert all other characters to bytes according to UTF-8, and then percent-encode those values. This requirement was introduced in January 2005 with the publication of RFC 3986. URI schemes introdu...
Determine which JAR file a class is from
...('/' + klass.getName().replace('.', '/') + ".class");
As notnoop pointed out klass.getResource() method returns the location of the class file itself. For example:
jar:file:/jdk/jre/lib/rt.jar!/java/lang/String.class
file:/projects/classes/pkg/MyClass$1.class
The getProtectionDomain().getCodeS...
How to un-commit last un-pushed git commit without losing the changes
...
In case you did push publicly (on a branch called 'master'):
git checkout -b MyCommit //save your commit in a separate branch just in case (so you don't have to dig it from reflog in case you screw up :) )
revert commit normally and push
git checkout master
git revert a8172f36 #hash of the ...
Purpose of Django setting ‘SECRET_KEY’
...int of the SECRET_KEY in django? I did a few google searches and checked out the docs ( https://docs.djangoproject.com/en/dev/ref/settings/#secret-key ), but I was looking for a more in-depth explanation of this, and why it is required.
...
Service vs IntentService in the Android platform
...
Tejas Lagvankar wrote a nice post about this subject.
Below are some key differences between Service and IntentService.
When to use?
The Service can be used in tasks with no UI, but shouldn't be too long. If you need to perform long tasks, you must use thre...
Are Roslyn SyntaxNodes reused?
...it can change the spans of most of the nodes!
But on the Roslyn team we routinely do impossible things. We actually do the impossible by keeping two parse trees. The "green" tree is immutable, persistent, has no parent references, is built "bottom-up", and every node tracks its width but not its a...
What can MATLAB do that R cannot do? [closed]
...ers, better object browser) and is "easier" to use (you can use MATLAB without doing any programming if you want). Simulink allows you to visually program by connecting blocks in graphs. REvolution R is addressing some of these differences by providing a better IDE with improved debugging, but it'...
Create Pandas DataFrame from a string
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Time to sort out which import: Should we use pandas.compat.StringIO or Python 2/3 StringIO?
– smci
May 11 '18 at 0:30
...
How do I specify the platform for MSBuild?
... want some sort of command-line app, and partly because I could not figure out how to omit or override CoreCompile)
To build for multiple, concurrent binaries such as x86 and x64: either a separate, manual build task would be needed or two separate project files with the respective <PlatformTarge...
Curious null-coalescing operator custom implicit conversion behaviour
...d Main() {
C? test = (X() ?? Y()) ?? Z();
}
}
This code will output:
X()
X()
A to B (0)
X()
X()
A to B (0)
B to C (0)
That made me think that the first part of each ?? coalesce expression is evaluated twice.
This code proved it:
B? test= (X() ?? Y());
outputs:
X()
X()
A to B (0)...