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UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...n，就调用control目录下的 user.php类中的onsynlogin方法，通过foreach循环，以javascript的方式通知uc应用列表中的应用同步登录；即通过 get方式传递给应用目录中api下的uc.php一些数据；
3、uc.php接收通知并处理get过来的数据，并在函...
What happens to global and static variables in a shared library when it is dynamically linked?
...d in other modules. This means that you will get linker errors if you try, for example, to create an executable that is supposed to use an extern variable defined in a DLL, because this is not allowed. You would need to provide an object file (or static library) with a definition of that extern vari...
Relational table naming convention [closed]
...ect and would like to get my table- and column names right from the start. For example I've always used plural in table names but recently learned singular is correct.
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“x not in y” or “not x in y”
When testing for membership, we can use:
6 Answers
6
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How can I check if a Perl array contains a particular value?
I am trying to figure out a way of checking for the existence of a value in an array without iterating through the array.
1...
How can I force Powershell to return an array when a call only returns one object?
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@Deadly-Bagel Can you show example of this? For me @(...) work properly (produce result I expect it should produce) for any types of objects.
– user4003407
Jun 17 '16 at 7:44
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How to reshape data from long to wide format
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reshape is an outstanding example for a horrible function API. It is very close to useless.
– NoBackingDown
Oct 26 '17 at 15:18
15
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Getting key with maximum value in dictionary?
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You can use operator.itemgetter for that:
import operator
stats = {'a':1000, 'b':3000, 'c': 100}
max(stats.iteritems(), key=operator.itemgetter(1))[0]
And instead of building a new list in memory use stats.iteritems(). The key parameter to the max() func...
Git Symlinks in Windows
Our developers use a mix of Windows and Unix based OS's. Therefore, symlinks created on Unix machines become a problem for Windows developers. In windows (msysgit), the symlink is converted to a text file with a path to the file it points to. Instead, I'd like to convert the symlink into an actual W...
Why does SSL handshake give 'Could not generate DH keypair' exception?
...around using BouncyCastle's JCE implementation. Hopefully that should work for you.
UPDATE
This was reported as bug JDK-7044060 and fixed recently.
Note, however, that the limit was only raised to 2048 bit. For sizes > 2048 bit, there is JDK-8072452 - Remove the maximum prime size of DH Keys; ...