大约有 3,285 项符合查询结果(耗时:0.0229秒) [XML]

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How to keep a git branch in sync with master

...D and E in master branch. Now, there are two types of merging possible Fast forward merge True merge (Requires manual effort) Git will first try to make FF merge and if it finds any conflicts are not resolvable by git. It fails the merge and asks you to merge. In this case, a new commit will o...
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What is the difference between jQuery's mouseout() and mouseleave()?

...t box. The user clicks the button and the alert fires. The user pressed it fast enough that your tooltip didn't have a chance to pop up (so far so good). The user presses the alert box OK button, and the mouse leaves the element. But since the browser page is now in a locked state, no javascript wi...
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How to catch integer(0)?

... Maybe off-topic, but R features two nice, fast and empty-aware functions for reducing logical vectors -- any and all: if(any(x=='dolphin')) stop("Told you, no mammals!") share | ...
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What Are Some Good .NET Profilers?

...profilers - they will help you find memory leaks and potential issues much faster. – Ben Robbins Jan 13 '10 at 1:01 1 ...
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Parsing JSON with Unix tools

... a general feel for the data, banging out something on the command line is faster. Opening an editor to write a script is distracting. grep -o is orders of magnitude faster than the Python standard json library, at least when doing this for tweets (which are ~2 KB each). I'm not sure if this is ju...
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What is stability in sorting algorithms and why is it important?

...ention of that relative order. If you don't need stability, you can use a fast, memory-sipping algorithm from a library, like heapsort or quicksort, and forget about it. If you need stability, it's more complicated. Stable algorithms have higher big-O CPU and/or memory usage than unstable algorith...
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Create UIActionSheet 'otherButtons' by passing in array, not varlist

... otherButtonTitles:nil]; // ObjC Fast Enumeration for (NSString *title in array) { [actionSheet addButtonWithTitle:title]; } actionSheet.cancelButtonIndex = [actionSheet addButtonWithTitle:@"Cancel"]; [actionSheet showInView:self.vi...
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What is the difference between XMLHttpRequest, jQuery.ajax, jQuery.post, jQuery.get

...etch API (experimental at this time) are the only in DOM, so should be the fastest. I saw a lot of information that is not accurate anymore, so I made a test page where anyone can test version from version which one is best at any time: https://jsperf.com/xhr-vs-jquery-ajax-vs-get-vs-fetch From m...
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How do I get the number of elements in a list?

... the object is cached. So checking the number of objects in a list is very fast. But if you're checking if list size is zero or not, don't use len - instead, put the list in a boolean context - it treated as False if empty, True otherwise. From the docs len(s) Return the length (the number of...
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Computational complexity of Fibonacci Sequence

...************* 0 *************************** Now, the question is, how fast is the base of this pyramid enlarging as n grows? Let's take a real case, for instance F(6) F(6) * <-- only once F(5) * <-- only once too F(4) ** F(3) ...