大约有 11,700 项符合查询结果（耗时：0.0371秒） [XML]
Regular expression for a hexadecimal number?
..., depends on the flavor you need to use (php, javascript, python , golang, etc.).
This answer was taken from:http://ult-tex.net/info/perl/
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foll...
Generate table relationship diagram from existing schema (SQL Server) [closed]
...tool shows tables and references orthogonal, hierarchical, in a circle ;-) etc. just by pressing one single button. I use the free version for years now.
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Google fonts URL break HTML5 Validation on w3.org
...e special characters would need to be encoded by HTML rules (e.g. &amp etc). The user agent is then expected to follow RFC 3987 and convert the IRI to percent encoded UTF-8 before submitting it over HTTP (tools.ietf.org/html/rfc3987).
– Mikko Rantalainen
O...
Find if variable is divisible by 2
... There is so much that jQuery can do, like creating variables, functions, etc., that is still being done with raw JavaScript. Just unbelievable ;-)
– Anurag
May 13 '10 at 9:10
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Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
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@jakk The lifecycle methods for Activitys, Fragments, etc. are invoked sequentially by the main GUI thread's message queue, so even if the task finished concurrently in the background before these lifecycle methods completed (or even invoked), the onPostExecute method would stil...
Error renaming a column in MySQL
... you lose all other column definitions such as nullability, default value, etc. (see: stackoverflow.com/questions/8553130/…).
– Dejan
Jul 13 '15 at 10:50
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What is the most effective way for float and double comparison?
...types.h doesn't compile on Windows, we cannot use
// uint32, uint64, and etc here.
typedef int Int;
typedef unsigned int UInt;
};
// The specialization for size 8.
template <>
class TypeWithSize<8> {
public:
#if GTEST_OS_WINDOWS
typedef __int64 Int;
typedef unsigned __int64 U...
multiple packages in context:component-scan, spring config
... the package that is start with x.y.z like:
x.y.z.controller,x.y.z.service etc.
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How do JavaScript closures work?
...s created and a completely new variable x, and a new set of functions (log etc.) are created, that close over this new variable.
function createObject() {
let x = 42;
return {
log() { console.log(x) },
increment() { x++ },
update(value) { x = value }
}
}
const o = createObject...
Wait one second in running program
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Personally I think Thread.Sleep is a poor implementation. It locks the UI etc. I personally like timer implementations since it waits then fires.
Usage: DelayFactory.DelayAction(500, new Action(() => { this.RunAction(); }));
//Note Forms.Timer and Timer() have similar implementations.
p...