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How to search a string in multiple files and return the names of files in Powershell?
... large operations like that. It becomes very convoluted when you try to do all of that on one line and it is very easy to make a large mistake. I speak from experience
– Kolob Canyon
Sep 6 '18 at 15:44
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How to detect if a function is called as constructor?
...oking at the ECMAScript 3rd edition spec, the steps taken when new x() is called are essentially:
Create a new object
Assign its internal [[Prototype]] property to the prototype property of x
Call x as normal, passing it the new object as this
If the call to x returned an object, return it, otherw...
Why is WinRT unmanaged? [closed]
...then, COM became the universal glue in the last half of the 1990s. Practically any language runtime in common use in Windows supports COM.
A garbage collector is a language runtime implementation detail. The collector for .NET is very different from the collector for Javascript for example. The ...
What is difference between Collection.stream().forEach() and Collection.forEach()?
...at with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
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NSIS做的安装程序，可接受命令行参数，实现静默安装，静默卸载 - 脚本技术 ...
...ces. Only absolute paths are supported.
3.2.2 Uninstaller Specific Options_?= sets $INSTDIR. It also stops the uninstaller from copying itself to the temporary directory and running from there. It can be used along with ExecWait to wait for the uninstaller to finish. It must be the last parameter u...
Regex - Should hyphens be escaped? [duplicate]
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Correct on all fronts. Outside of a character class (that's what the "square brackets" are called) the hyphen has no special meaning, and within a character class, you can place a hyphen as the first or last character in the range (e.g....
Using querySelector with IDs that are numbers
...haracter 1 is U+0031, so you would escape it as \000031 or \31 .
Basically, to escape any numeric character, just prefix it with \3 and append a space character ( ). Yay Unicode!
So your code would end up as (CSS first, JS second):
#\31 {
background: hotpink;
}
document.getElementById(...
Get URL query string parameters
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This is actually the best answer based on the question. The other answers only get the current URI whereas the question only specifies "from URL".
– Chris Harrison
Aug 29 '13 at 5:38
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Rails 3 check if attribute changed
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Check out ActiveModel::Dirty (available on all models by default). The documentation is really good, but it lets you do things such as:
@user.street1_changed? # => true/false
share
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What's the best way to communicate between view controllers?
...ng data in model objects when appropriate (per the MVC design pattern). Usually you want to avoid putting state information inside a controller, unless it's strictly "presentation" data.
Second, see page 10 of the Stanford presentation for an example of how to programmatically push a controller ont...