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The tilde operator in Python
...ment integer. So for integers, ~x is equivalent to (-x) - 1.
The reified form of the ~ operator is provided as operator.invert. To support this operator in your own class, give it an __invert__(self) method.
>>> import operator
>>> class Foo:
... def __invert__(self):
... ...
Convert base64 string to ArrayBuffer
...ary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. The Uint8Array typed array represents an array of 8-bit unsigned integers, and we are working with ASCII representation of the data (which is also an 8-bit table)..
...
Extract file basename without path and extension in bash [duplicate]
...st of one or more patterns separated
by a |. Composite patterns may be formed using one or more of the fol
lowing sub-patterns:
?(pattern-list)
Matches zero or one occurrence of the given patterns
*(pattern-list)
Matches zero or more occu...
Comments in Android Layout xml
...ays all the characters between the starting ' <!--' and ending '-->' form a part of comment content and no lexical check is done on the content of a comment.
More details are available on developer.android.com site.
So you can simply add your comment in between any starting and ending tag. I...
What's the difference between lapply and do.call?
... is different. It is used for passing the arguments to a function in list form instead of having them enumerated. For instance,
> do.call("+",list(4,5))
[1] 9
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Verifying signed git commits?
...2015)
verify-tag/verify-commit: add option to print raw gpg status information
verify-tag/verify-commit by default displays human-readable output on standard error.
However, it can also be useful to get access to the raw gpg status information, which is machine-readable, allowing automa...
How do I push a new local branch to a remote Git repository and track it too?
...ption:
git push -u origin <branch>
Git will set up the tracking information during the push.
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Redirect all output to file [duplicate]
...ell, i found the reference and have deleted my post for having incorrect information. from the bash manual: '"ls 2>&1 > dirlist" directs only the standard output to dirlist, because the standard error was duplicated from the standard output before the standard output was redirected to dir...
C# binary literals
... example:
int myValue = 0b0010_0110_0000_0011;
You can also find more information on the Roslyn GitHub page.
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Wrong Manifest.mf in IntelliJ IDEA created .jar
...;archive>
<manifest>
<mainClass>Form</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
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