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Decimal number regular expression, where digit after decimal is optional
...pace & comments in regular expression)
For example, it will match:
123
23.45
34.
.45
-123
-273.15
-42.
-.45
+516
+9.8
+2.
+.5
And will reject these non-numbers:
. (single decimal point)
-. (negative decimal point)
+. (plus decimal point)
(empty string)
The simpler solutions can incorre...
How to fetch all Git branches
...rks. what's the difference with your solution?
– François Romain
Nov 6 '14 at 10:43
14
Its defau...
通信连接组件 · App Inventor 2 中文网
...开浏览器到指定的网页。 假设您要访问的页面是“www.fun123.cn”（您可以随意替换自己的选择），将属性设置为：
Action: android.intent.action.VIEW
DataUri: http://www.fun123.cn
调用第三方地图也可以使用这个启动器：
...
How do I configure PyCharm to run py.test tests?
...ed Mar 29 '19 at 13:57
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Jan 3 '18 at 9:38
...
Stashing only staged changes in git - is it possible?
... stash --keep-index --include-untracked.
– Wesley Gonçalves
Jul 6 at 20:17
|
show 7 more comments
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How did I get a value larger than 8 bits in size from an 8-bit integer?
...th c = c - 1 and the values remained within the range [-128 ... 127]:
c: -123
c: -124
c: -125
c: -126
c: -127
c: -128 // about to overflow
c: 127 // woop
c: 126
c: 125
c: 124
c: 123
c: 122
Freaky ey? I don't know much about what the compiler does to expressions like i++ or i--. It's likely promo...
Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
...e autoincrement PK, it forces you to truncate.
– François Breton
Oct 2 '13 at 15:33
2
...
Static classes and methods in coffeescript
...
@AlvaroLourenço Seems that a CoffeeScript class is a "static block" (with some extra stuff): jsfiddle.net/ambiguous/ap72ckax
– mu is too short
Oct 12 '17 at 17:59
...
F# development and unit testing?
...e most FP-ish testing framework for F#
– Mathieu François
Aug 22 at 16:55
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...
Query-string encoding of a Javascript Object
...");
}
console.log(serialize({
foo: "hi there",
bar: {
blah: 123,
quux: [1, 2, 3]
}
}));
// foo=hi%20there&bar%5Bblah%5D=123&bar%5Bquux%5D%5B0%5D=1&bar%5Bquux%5D%5B1%5D=2&bar%5Bquux%5D%5B2%5D=3
...