大约有 47,000 项符合查询结果（耗时：0.0951秒） [XML]
Search for selection in vim
...sual studio when writing C++. Often, I find myself wanting to search for a string within a function, for example every call to object->public_member.memberfunc() .
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Example of UUID generation using Boost in C++
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And how would you assign it to a string? Because I have a common base for every instance and I would need to concatenate UUID to a base. Thanks again!
– Nikola
Jul 15 '10 at 16:34
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List vs tuple, when to use each? [duplicate]
...s dictionary keys (specifically, tuples that contain immutable values like strings, numbers, and other tuples). Lists can never be used as dictionary keys, because lists are not immutable.
Source: Dive into Python 3
sha...
Python way of printing: with 'format' or percent form? [duplicate]
...er to
format tuples and dictionaries correctly. As the new
:ref:string-formatting syntax is more flexible and handles tuples and
dictionaries naturally, it is recommended for new code. However, there
are no current plans to deprecate printf-style formatting.
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How do you configure an OpenFileDialog to select folders?
...owserDialog, but I've never really liked that dialog. It starts too small and doesn't let me take advantage of being able to type a path.
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How to get current memory usage in android?
...-Z]+):\\s*(\\d+)");
MemorySize result = new MemorySize();
String line;
try {
RandomAccessFile reader = new RandomAccessFile("/proc/meminfo", "r");
while ((line = reader.readLine()) != null) {
Matcher m = PATTERN.matcher(line);
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How do you set your pythonpath in an already-created virtualenv?
What file do I edit, and how? I created a virtual environment.
6 Answers
6
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Python idiom to return first item or None
...aluates False, that value is discarded and replaced. If you have an empty string "" in the list, that is discarded and replaced by an empty list []. If you have a 0, also replaced by []. If you have False in there, also replaced. Etc. You might get away with this in a specific case, but this is...
Haskell: How is pronounced? [closed]
...ut it makes a fine Applicative, in which case (<*>) becomes a way of stringing together a generalized version of zipWith, so perhaps we can imagine calling it fzipWith?
This zipping idea actually brings us full circle. Recall that math stuff earlier, about monoidal functors? As the name sug...
How do you set the text in an NSTextField?
I'm trying to set the text in an NSTextField, but the -setStringValue: and -setTitleWithMnemonic: methods are not working. Any ideas?
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