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Why isn't ProjectName-Prefix.pch created automatically in Xcode 6?
...
I suspect because of modules, which remove the need for the #import <Cocoa/Cocoa.h>.
As to where to put code that you would put in a prefix header, there is no code you should put in a prefix header. Put your imports into the files that need them. Put your definitions i...
Setting the correct encoding when piping stdout in Python
... ISO-8859-1 and UTF-8, making everything uppercase in between.
import sys
for line in sys.stdin:
# Decode what you receive:
line = line.decode('iso8859-1')
# Work with Unicode internally:
line = line.upper()
# Encode what you send:
line = line.encode('utf-8')
sys.stdou...
Why are function pointers and data pointers incompatible in C/C++?
...ting a function pointer to a data pointer and vice versa works on most platforms but is not guaranteed to work. Why is this the case? Shouldn't both be simply addresses into main memory and therefore be compatible?
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What can , and be used for?
... validation of GET parameters. It's like the <h:inputText>, but then for GET parameters.
The following example
<f:metadata>
<f:viewParam name="id" value="#{bean.id}" />
</f:metadata>
does basically the following:
Get the request parameter value by name id.
Convert and v...
Win10正式版官方原版ISO镜像下载大全(64位&32位) - 软件下载 - 清泛网 - ...
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文件名:cn_windows_10_multiple_editions_x64_dvd_6848463.iso
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...
Why can I initialize a List like an array in C#?
... happens is the default constructor is called, and then Add(...) is called for each member of the initializer.
Thus, these two blocks are roughly identical:
List<int> a = new List<int> { 1, 2, 3 };
And
List<int> temp = new List<int>();
temp.Add(1);
temp.Add(2);
temp.Add(...
ModelSerializer using model property
...el fields plus ext_link in the serialized data. And this is really awesome for complex models! EDIT: At least, this is true for djangorestframework==2.3.14.
– e.thompsy
Feb 4 '15 at 18:54
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如何在Visual Studio中运行和调试汇编代码 - 其他 - 清泛IT社区,为创新赋能!
使用内联汇编__asm,如下:
int _tmain(int argc, _TCHAR* argv[])
{
int a = 1;
__asm{
xor eax, eax
 ...
Python's json module, converts int dictionary keys to strings
...ocs suggest that it automatically uses the object's ID as a hash/key even for mutable objects and relies on string interning to ensure that equivalent strings map to the same objects).
In Perl, Javascript, awk and many other languages the keys for hashes, associative arrays or whatever they're cal...
Error: Jump to case label
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See this fixed LLVM bug report for other explanations: llvm.org/bugs/show_bug.cgi?id=7789
– Francesco
Apr 16 '11 at 9:35
...