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Regular expression for a hexadecimal number?
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@NiklasB. Your shorthand is only valid if using perl regex, if using POSIX regex, then Steven's solution is the shortest. Either way, Steven's solution works for both perl and POSIX regex.
– David M. Syzdek
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How can I group by date time column without taking time into consideration
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Cast/Convert the values to a Date type for your group by.
GROUP BY CAST(myDateTime AS DATE)
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Access to the path is denied
...ption message is not ideal, but it comes straight from the OS and they are cast in stone. The framework often adds extra checks to generate better messages, but this is an expensive test on a network. Perf is a feature too.
You need to use a name like 'C:\inetpub\wwwroot\mysite\images\savehere\m...
How do I convert a string to a number in PHP?
...mstances. For situations where you do want to explicitly convert the type, cast it:
$num = "3.14";
$int = (int)$num;
$float = (float)$num;
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What's the best way to put a c-struct in an NSArray?
...tableArray *)arrayRef;
struct {int member;} myStruct = {.member = 42};
// Casting to "id" to avoid compiler warning
[array addObject:(id)&myStruct];
// Hurray!
struct {int member;} *mySameStruct = [array objectAtIndex:0];
The above example completely ignores the issues with respect to memory...
How to prevent caching of my Javascript file? [duplicate]
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Add a random query string to the src
You could either do this manually by incrementing the querystring each time you make a change:
<script src="test.js?version=1"></script>
Or if you are using a server side language...
How can I convert a long to int in Java?
...ted, in Java 8:
Math.toIntExact(value);
Original Answer:
Simple type casting should do it:
long l = 100000;
int i = (int) l;
Note, however, that large numbers (usually larger than 2147483647 and smaller than -2147483648) will lose some of the bits and would be represented incorrectly.
For ...
How do I make the method return type generic?
...nimal> T callFriend(String name, Class<T> type) {
return type.cast(friends.get(name));
}
Then call it as such:
jerry.callFriend("spike", Dog.class).bark();
jerry.callFriend("quacker", Duck.class).quack();
This code has the benefit of not generating any compiler warnings. Of course ...
Generate a random alphanumeric string in Cocoa
... oh the compiler would give a warning for losing precision, so better to cast to int arc4random_uniform((int)[letters length])
– knshn
Jun 12 '14 at 9:58
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国际 C 语言混乱代码大赛结果 - 创意 - 清泛网 - 专注C/C++及内核技术
...gle 的 Don Yang 又拿奖了。侯启明这次是写了一个无整数的 MD5 程序，Don Yang 写了一个有海星图案的文本编码器。侯应该是第 4 回获奖了，Don Yang 应是第 7 回。
虽然主办方目前还没有公布这次比赛的源码，但可以围观他俩之前的作...