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Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
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Many use the MDC fallback implementations (eg. for indexOf). They're generally rigorously standards-compliant, even to the extent of explicitly checking the types of all the arguments.
Unfortunately whilst it is clear that the authors regard ...
How to detect if multiple keys are pressed at once using JavaScript?
... until its script is finished downloading. Putting it ahead of the content allows the content to load beforehand.
B (which is where your interest lies) You can check for one or more keys at a time where /*insert conditional here*/ was, take this example:
if(map[17] && map[16] && map[...
Android : difference between invisible and gone?
...! I have no answer for your question. If you think this was very clear for all users, then the accepted answer should be a comment and have a link of documentation site. Am I correct?
– Pankaj Kumar
Mar 12 '15 at 6:09
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AngularJS: How can I pass variables between controllers?
...Do',[])
.service('dataService', function() {
// private variable
var _dataObj = {};
// public API
this.dataObj = _dataObj;
})
.controller('One', function($scope, dataService) {
$scope.data = dataService.dataObj;
})
.controller('Two', function($scope, dataService) {
$scope.data = dat...
Gradle finds wrong JAVA_HOME even though it's correctly set
When trying to run gradle, I get the following error:
19 Answers
19
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C# switch statement limitations - why?
...a big if-else statement.
Each case must be unique and evaluated
statically. The switch statement does
a constant time branch regardless of
how many cases you have. The if-else
statement evaluates each condition
until it finds one that is true.
In fact, the C# switch statement is n...
What can I use instead of the arrow operator, `->`?
What is the arrow operator ( -> ) a synonym for?
7 Answers
7
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best way to get the key of a key/value javascript object
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If you want to get all keys, ECMAScript 5 introduced Object.keys. This is only supported by newer browsers but the MDC documentation provides an alternative implementation (which also uses for...in btw):
if(!Object.keys) Object.keys = function...
How to search file text for a pattern and replace it with a given value
...ull. This code is not fit for anything beyond a quick one-off script where all the data is backed up. For that reason, do NOT copy this code into your programs.
Here's a quick short way to do it.
file_names = ['foo.txt', 'bar.txt']
file_names.each do |file_name|
text = File.read(file_name)
ne...
App Inventor 2 软件著作权（软著）申请指南 · App Inventor 2 中文网
...经验的，建议找人代理一下，细节还是很多很繁琐的。
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5、注意事项
不要有 Logo——有概率会要求提供证明材料，PS掉就行。
不要有...