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In an array of objects, fastest way to find the index of an object whose attributes match a search
...ANSWER is the most EFFICIENT since it doesn't iterate the whole array. The selected answer will map complete array and then findIndex which is bound to iterate through whole array once
– Karun
Aug 2 '19 at 11:30
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How do I URL encode a string
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New APIs have been added since the answer was selected; You can now use NSURLUtilities. Since different parts of URLs allow different characters, use the applicable character set. The following example encodes for inclusion in the query string:
encodedString = [myString...
Draw multi-line text to Canvas
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You can get the metrics for a selected character, e.g. font.measure("Y")
– GregD
Apr 10 at 18:41
add a comment
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How can I set focus on an element in an HTML form using JavaScript?
...ead use the name or even a class. In that case you would use document.querySelector("[name='myText']") or document.querySelector(".myText") to get a reference to the input element.
– Chris Love
Nov 23 '15 at 19:18
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Convert NaN to 0 in javascript
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Thanks mate, have selected and modified a bit this for myself a = a*1 || 0
– Somebody
Dec 7 '11 at 17:22
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Android: combining text & image on a Button or ImageButton
...mple drawable for the background. Use a StateListDrawable (usually via <selector> XML file in res/drawable/), so you can define backgrounds for the various states (normal, pressed, focused, disabled, etc.).
– CommonsWare
Oct 7 '09 at 18:11
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orderBy multiple fields in Angular
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<select ng-model="divs" ng-options="(d.group+' - '+d.sub) for d in divisions | orderBy:['group','sub']" />
User array instead of multiple orderBY
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OS X10.9 环境下部署 QT5.3.1 常见的编译问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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或
1
sudo -i xcode-select -switch /Applications/Xcode6-Beta6.app/Contents/Developer
2、:-1: error: Could not resolve SDK path for 'macosx10.8'
###export SDKROOT=/Applications/Xcode6-Beta6.app/Contents/Developer/Platforms/Mac...
Performance of Find() vs. FirstOrDefault() [duplicate]
...Ef__AnonymousType0<string>> source = Enumerable.ToList(Enumerable.Select(Enumerable.Range(0, 1000000), i =>
{
var local_0 = new
{
Name = Guid.NewGuid().ToString()
};
return local_0;
}));
source.Insert(999000, new
{
Name = diana
})...
How to URL encode a string in Ruby
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@J-Rou, CGI.escape can escape whole URL, it does not selectively escapes query parameters, for instance, if you pass 'a=&!@&b=&$^' to CGI.escape it will escape whole thing with query separators & so this could be used only to query values. I suggest using addres...