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Initialize a byte array to a certain value, other than the default null? [duplicate]
... might want to turn that into an extension method, too. That way you could call it like byte[] b = new byte[5000].Initialize(0x20); The extension method would be declared as public static byte[] Initialize(this byte[] array, byte defaultValue) and contain the for loop. It should return the array.
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Python argparse: Make at least one argument required
...ubcommands. Yet - as somebody pointed in the comments -x and --xxx are typically optional parameters.
– mac
Jul 17 '11 at 9:56
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Javascript regex returning true.. then false.. then true.. etc [duplicate]
...e using a g (global) RegExp. In JavaScript, global regexen have state: you call them (with exec, test etc.) the first time, you get the first match in a given string. Call them again and you get the next match, and so on until you get no match and it resets to the start of the next string. You can a...
Get class name of object as string in Swift
...for String for this initializer "an unspecified result is supplied automatically by the Swift standard library" when it doesn't conform to Streamable, or CustomStringConvertible, or CustomDebugStringConvertible. So while it may be displaying the desired value now, will it continue to do so in the ...
Fast Linux File Count for a large number of files
... ZOMG. Sorting of 100K lines is nothing - compared to the stat() call ls does on every file. find doesn't stat() thus it works faster.
– Dummy00001
Jul 19 '10 at 20:03
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How to replace all occurrences of a character in string?
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std::string is a container specifically designed to operate with sequences of characters. link
– Kirill V. Lyadvinsky
May 24 '10 at 11:41
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What does in XML mean?
...ou cannot include the string ]]> (CDEnd), while in a comment -- is invalid.
Parameter Entity references are not recognized inside of comments.
This means given these four snippets of XML from one well-formed document:
<!ENTITY MyParamEntity "Has been expanded">
<!--
Within this co...
How do I invoke a Java method when given the method name as a string?
...d has no arguments, only give methodName).
Then you invoke that method by calling
try {
method.invoke(obj, arg1, arg2,...);
} catch (IllegalArgumentException e) { ... }
catch (IllegalAccessException e) { ... }
catch (InvocationTargetException e) { ... }
Again, leave out the arguments in .i...
Why does datetime.datetime.utcnow() not contain timezone information?
... datetime.utcnow() says:
An aware current UTC datetime can be obtained by calling datetime.now(timezone.utc).
So, datetime.utcnow() doesn't set tzinfo to indicate that it is UTC, but datetime.now(datetime.timezone.utc) does return UTC time with tzinfo set.
So you can do:
>>> import dateti...
git log of a single revision
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You can use show:
git show commit_id
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