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Javascript regex returning true.. then false.. then true.. etc [duplicate]
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/^[^-_]([a-z0-9-_]{4,20})[^-_]$/gi;
You're using a g (global) RegExp. In JavaScript, global regexen have state: you call them (with exec, test etc.) the first time, you get the first match in a given string. Call them again and ...
Vim delete blank lines
...-s may be the choice..
– coanor
Nov 21 '12 at 5:04
2
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Symfony 2: How do I check if a user is not logged in inside a template?
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answered May 12 '14 at 15:21
AnilAnil
20.7k77 gold badges6969 silver badges9494 bronze badges
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How do you send a HEAD HTTP request in Python 2?
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answered Oct 21 '12 at 11:00
K ZK Z
25.2k77 gold badges6363 silver badges7474 bronze badges
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获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
... 到35 字节存储了文件系统的大小。
是
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文件系统所在的存储介质的类型， 0xf0 表明其实可移动数据介质。
不
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一个FAT 拷贝所占用的扇区数。在 FAT 32 文件系统中，这区域不用...
SQLAlchemy: cascade delete
...xpunge, delete
– pmsoltani
May 3 at 21:01
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show 1 more co...
Deserialize JSON into C# dynamic object?
...s":[
{ "Name":"Apple", "Price":12.3 },
{ "Name":"Grape", "Price":3.21 }
],
"Date":"21/11/2010"
}
The following code will work at runtime:
dynamic data = serializer.Deserialize(json, typeof(object));
data.Date; // "21/11/2010"
data.Items.Count; // 2
data.Items[0].Name; // "Apple"
data...
Better way to cast object to int
...9/…
– Joel Coehoorn
Apr 13 '09 at 21:12
The upshot is that it definitely does more than just unbox. Otherwise why co...
Node.js app can't run on port 80 even though there's no other process blocking the port
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@AlexMA but running a server as root is a big no no
– Patrick Evans
Oct 6 '13 at 4:22
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Paging UICollectionView by cells, not screen
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edited Apr 9 '19 at 21:49
answered Jun 9 '18 at 20:37
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