大约有 35,100 项符合查询结果（耗时：0.0329秒） [XML]
Using JQuery to check if no radio button in a group has been checked
I'm sitting with a problem, I need to check with JQuery if no radio button within a radio button group has been checked, so that I can give the users an javascript error if they forgot to check a option.
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Why is the use of alloca() not considered good practice?
alloca() allocates memory on the stack rather than on the heap, as in the case of malloc() . So, when I return from the routine the memory is freed. So, actually this solves my problem of freeing up dynamically allocated memory. Freeing of memory allocated through malloc() is a major headache an...
How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
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ewallewall
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performSelector may cause a leak because its selector is unknown
... very rare that this warning should simply be ignored, and it's easy to work around. Here's how:
if (!_controller) { return; }
SEL selector = NSSelectorFromString(@"someMethod");
IMP imp = [_controller methodForSelector:selector];
void (*func)(id, SEL) = (void *)imp;
func(_controller, selector);
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What's the difference between deque and list STL containers?
...ween the two? I mean the methods are all the same. So, for a user, they work identically.
8 Answers
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Terminating a script in PowerShell
I've been looking for a way to terminate a PowerShell (PS1) script when an unrecoverable error occurs within a function. For example:
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git pull while not in a git directory
.../Y , which is a git repository. Is it possible to somehow call a command like git pull from inside /X , but targeting the /X/Y directory?
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nginx: send all requests to a single html page
...istory.getState() to route the requests in my javascript app. It seems like it should be a simple thing to do?
6 Answers
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Converting file size in bytes to human-readable string
...xpress 1551859712 as ~1.4GiB would be correct.
On the other hand, hard disk manufacturers like to use decimal, so they would call it ~1.6GB.
And just to be confusing, floppy disks use a mixture of the two systems - their 1MB is actually 1024000 bytes.
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Does functional programming replace GoF design patterns?
... of articles which insist that design patterns (especially in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim :
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