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下拉刷新拓展 - SwipeRefresh - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...两个注册方法中，只选择一个。一旦注册成功，之后调用的注册方法都会被无视。Material Design所推荐使用的颜色
调用SwipeRefresh1 ▾._Color_holo_blue_bright
调用SwipeRefresh1 ▾._Color_holo_blue_dark
调用SwipeRefresh1 ▾._Color_holo_blue_light
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How can I get a file's size in C? [duplicate]
....g.:
fseek(fp, 0L, SEEK_SET);
or (if seeking to go to the beginning)
rewind(fp);
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How to identify platform/compiler from preprocessor macros?
I'm writing a cross-platform code, which should compile at linux, windows, Mac OS. On windows, I must support visual studio and mingw.
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What is the difference between NULL, '\0' and 0?
...implicitly checks "is not 0", so we reverse that to mean "is 0".
The following are INVALID ways to check for a null pointer:
int mynull = 0;
<some code>
if (pointer == mynull)
To the compiler this is not a check for a null pointer, but an equality check on two variables. This might work if...
How to see which plugins are making Vim slow?
... wondering, this doesn't exist in all vim/gvim distros. Doesn't in a stock Win Gvim 7.4 over here (though it is documented in viminfo)
– thynctank
Aug 26 '14 at 16:28
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Setting href attribute at runtime
...lement.attr() function in jQuery.
To get the href attribute, use the following code:
var a_href = $('selector').attr('href');
To set the href attribute, use the following code:
$('selector').attr('href','http://example.com');
In both cases, please use the appropriate selector. If you have set...
How to not run an example using roxygen2?
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this doesn't work for me (running on Win 10, 64 bit, R version 3.5.0)
– JBJ
Apr 26 '19 at 9:59
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Add IIS 7 AppPool Identities as SQL Server Logons
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amazingly helpful, yet mind-blowingly (and crappily) Microsoftian.
– Evan Nagle
Apr 21 '11 at 6:18
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How to use QueryPerformanceCounter?
...bly my safest bet. (The warning on Boost::Posix that it may not works on Win32 API put me off a bit). However, I'm not really sure how to implement it.
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Difference between “managed” and “unmanaged”
... consequences of using either of them? Does this distinction exist in .NET/Windows only?
3 Answers
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