大约有 47,000 项符合查询结果（耗时：0.0560秒） [XML]
Is there a way to check if int is legal enum in C#?
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280
Check out Enum.IsDefined
Usage:
if(Enum.IsDefined(typeof(MyEnum), value))
MyEnum a = (MyEn...
break out of if and foreach
...{
$current_device = $equip->xpath("name");
if ( $current_device[0] == $device ) {
// found a match in the file
$nodeid = $equip->id;
// will leave the foreach loop and also the if statement
break;
some_function(); // never reached!
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Camera orientation issue in Android
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50
There are quite a few similar topics and issues around here. Since you're not writing your own c...
How do I get the current date in JavaScript?
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var today = new Date();
var dd = String(today.getDate()).padStart(2, '0');
var mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0!
var yyyy = today.getFullYear();
today = mm + '/' + dd + '/' + yyyy;
document.write(today);
This will give you today's date in the forma...
Detecting a mobile browser
...opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|...
The maximum recursion 100 has been exhausted before statement completion
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250
Specify the maxrecursion option at the end of the query:
...
from EmployeeTree
option (maxrecur...
CSS transition shorthand with multiple properties?
...ransitions combined in shorthand declarations:
-webkit-transition: height 0.3s ease-out, opacity 0.3s ease 0.5s;
-moz-transition: height 0.3s ease-out, opacity 0.3s ease 0.5s;
-o-transition: height 0.3s ease-out, opacity 0.3s ease 0.5s;
transition: height 0.3s ease-out, opacity 0.3s ease 0.5s;
Or...
What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]
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207
It means "equal to or greater than in the last digit", so e.g. ~> 2.3 means
"equal to 2.3 or...
oracle10g 网址收藏 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
oracle10g 网址收藏载OTN上的这些软件，你需要一个OTN免费帐号，不过如果通过迅雷进行下载，就不用登陆OTN了：Oracle Database 10g Release 2 (10.2.0.1....载OTN上的这些软件，你需要一个OTN免费帐号，不过如果通过迅雷进行下载，就不用登...
Take a char input from the Scanner
...take the first character from Scanner.next:
char c = reader.next().charAt(0);
To consume exactly one character you could use:
char c = reader.findInLine(".").charAt(0);
To consume strictly one character you could use:
char c = reader.next(".").charAt(0);
...