大约有 40,000 项符合查询结果(耗时:0.0292秒) [XML]

https://stackoverflow.com/ques... 

How do I include a pipe | in my linux find -exec command?

...ld result in only a single agrep process being spawned which would process all the output produced by numerous invocations of zcat. If you for some reason would like to invoke agrep multiple times, you can do: find . -name 'file_*' -follow -type f \ -printf "zcat %p | agrep -dEOE 'grep'\n" | s...
https://stackoverflow.com/ques... 

Getting distance between two points based on latitude/longitude

...just on answering the specific bug OP ran into. It's because in Python, all the trig functions use radians, not degrees. You can either convert the numbers manually to radians, or use the radians function from the math module: from math import sin, cos, sqrt, atan2, radians # approximate radiu...
https://stackoverflow.com/ques... 

Why doesn't Python have a sign function?

... it wasn't accepted, because they didn't agree on what it should return in all the edge cases (+/-0, +/-nan, etc) So they decided to implement only copysign, which (although more verbose) can be used to delegate to the end user the desired behavior for edge cases - which sometimes might require the...
https://stackoverflow.com/ques... 

How can I custom-format the Autocomplete plug-in results?

...ue, redefining an internal function in a library, I have come to learn is called monkey-patching. Here's how I did it: function monkeyPatchAutocomplete() { // don't really need this, but in case I did, I could store it and chain var oldFn = $.ui.autocomplete.prototype._renderItem; ...
https://stackoverflow.com/ques... 

Permutations in JavaScript?

... If you notice, the code actually splits the chars into an array prior to do any permutation, so you simply remove the join and split operation var permArr = [], usedChars = []; function permute(input) { var i, ch; for (i = 0; i < inp...
https://stackoverflow.com/ques... 

Shared-memory objects in multiprocessing

... some other parameters). func with different parameters can be run in parallel. For example: 4 Answers ...
https://stackoverflow.com/ques... 

Find the nth occurrence of substring in a string

...ad been thinking of doing the equivalent of .rfind('XXX'), but that would fall apart if 'XXX' appears later in the input anyway. – Nikhil Chelliah Jul 7 '10 at 4:17 ...
https://stackoverflow.com/ques... 

jQuery - replace all instances of a character in a string [duplicate]

...round the string, as replace is not a jQuery method, so that won't work at all.) share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How can I get the concatenation of two lists in Python without modifying either one? [duplicate]

... Actually you can do this by using the a non hidden function: import operator, operator.add(list1, list2) – e-satis Apr 13 '11 at 12:28 ...
https://stackoverflow.com/ques... 

Will using 'var' affect performance?

...ay have chosen an Interface or parent type if you were to set the type manually. Update 8 Years Later I need to update this as my understanding has changed. I now believe it may be possible for var to affect performance in the situation where a method returns an interface, but you would have used a...