大约有 7,900 项符合查询结果(耗时:0.0380秒) [XML]

https://stackoverflow.com/ques... 

Detecting 'stealth' web-crawlers

...nner, or you can see if the bot is traversing a huge amount of text (as in words to read) in a too-short period of time. Some sites limit the number of requests per hour, also. Actually, I heard an idea somewhere, I don't remember where, that if a user gets too much data, in terms of kilobytes, th...
https://stackoverflow.com/ques... 

What does Redis do when it runs out of memory?

...ils miserably. Some links for more info (since you shouldn't just take my word for it): http://antirez.com/post/redis-as-LRU-cache.html http://eli.thegreenplace.net/2009/10/30/handling-out-of-memory-conditions-in-c/ shar...
https://stackoverflow.com/ques... 

Is the order of elements in a JSON list preserved?

...ountered problems where arrays are NOT ordered. Take a look at this oddly worded passage in ecma-international.org/publications/files/ECMA-ST/ECMA-404.pdf 'The JSON syntax does not define any specific meaning to the ordering of the values. However, the JSON array structure is often used in sit...
https://stackoverflow.com/ques... 

Convert list of dictionaries to a pandas DataFrame

...om_records(data) A B C D 0 5 0 3 3 1 7 9 3 5 2 2 4 7 6 Word on Dictionary Orientations: orient='index'/'columns' Before continuing, it is important to make the distinction between the different types of dictionary orientations, and support with pandas. There are two primary types...
https://stackoverflow.com/ques... 

HTML5 dragleave fired when hovering a child element

...e, false); dropMask.addEventListener('drop', drag_drop, false); In a few words, you create a "mask" inside the dropzone, with width & height inherited, position absolute, that will just show when the dragover starts. So, after showing that mask, you can do the trick by attaching the others dra...
https://stackoverflow.com/ques... 

Equals(=) vs. LIKE

...number of substring specifiers of P. (Emphasis added.) This is pretty wordy, so let's break it down. Items ii and iii refer to the wildcards _ and %, respectively. If P does not contain any wildcards, then only item iv applies. This is the case of interest posed by the OP. In this case, it com...
https://stackoverflow.com/ques... 

Sort Go map values by keys

... In Go, the word "slice" refers to a data structure that's essentially analogous to Java arrays. It's just a terminology issue. As for getting the keys, you have to explicitly range over the map and construct a slice as you go like this:...
https://stackoverflow.com/ques... 

Add spaces before Capital Letters

...l handle acronyms properly, and is repeatable (won't mangle already spaced words). Here is my result. public static string UnPascalCase(this string text) { if (string.IsNullOrWhiteSpace(text)) return ""; var newText = new StringBuilder(text.Length * 2); newText.Append(text[0]);...
https://stackoverflow.com/ques... 

Add a new element to an array without specifying the index in Bash

...le as if it were a scalar is the same as accessing its element 0; in other words: $myarray is the same as ${myarray[0]}. – mklement0 May 13 '15 at 17:25  |...
https://stackoverflow.com/ques... 

C/C++ include header file order

...irst (stdio.h, etc) with a dividing line. Group them logically. In other words: #include <stdio.h> #include <string.h> #include "btree.h" #include "collect_hash.h" #include "collect_arraylist.h" #include "globals.h" Although, being guidelines, that's a subjective thing. The rules o...