大约有 43,000 项符合查询结果(耗时:0.0620秒) [XML]

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How does this checkbox recaptcha work and how can I use it?

...signed up to the oneplusone website https://account.oneplus.net/sign-up , and noticed this checkbox recaptcha 5 Answers ...
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Declaring variables inside or outside of a loop

...that str absolutely ought to be declared within the while loop. No ifs, no ands, no buts. The only case where this rule might be violated is if for some reason it is of vital importance that every clock cycle must be squeezed out of the code, in which case you might want to consider instantiating s...
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Python multiprocessing PicklingError: Can't pickle

I am sorry that I can't reproduce the error with a simpler example, and my code is too complicated to post. If I run the program in IPython shell instead of the regular Python, things work out well. ...
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How does a Java HashMap handle different objects with the same hash code?

As per my understanding I think: 14 Answers 14 ...
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Difference between a User and a Login in SQL Server

...ly don't mess with. One of them that has me confused is the area of Logins and Users. Seems like it should be a pretty simple topic... ...
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How to lock compiled Java classes to prevent decompilation?

... also scramble your code flow in a way that makes it really hard to follow and works as an excellent code optimizer... Also many of the obfuscators are also able to scramble your string constants and remove unused code. Another possible solution (not necessarily excluding the obfuscation) is to us...
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What does the git index contain EXACTLY?

What does the Git index exactly contain, and what command can I use to view the content of the index? 5 Answers ...
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Large Object Heap Fragmentation

... array used for interned strings). Some of these are less than 85000 bytes and thus would not normally be allocated on the LOH. It is an implementation detail, but I assume the reason for this is to avoid unnecessary garbage collection of instances that are supposed to survive as long as the proce...
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What is the difference between range and xrange functions in Python 2.X?

Apparently xrange is faster but I have no idea why it's faster (and no proof besides the anecdotal so far that it is faster) or what besides that is different about ...
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Nginx 403 error: directory index of [folder] is forbidden

I have 3 domain names and am trying to host all 3 sites on one server (a Digital Ocean droplet) using Nginx. 19 Answers ...