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Variable name as a string in Javascript
...
var x = 2;
for(o in window){
if(window[o] === x){
alert(o);
}
}
However, I think you should do like "karim79"
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How do I copy a string to the clipboard on Windows using Python?
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My pyperclip patch was accepted; c:\python34\Scripts\pip install --upgrade pyperclip to handle Unicode text.
– Cees Timmerman
Dec 5 '14 at 14:02
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How to round up a number in Javascript?
...) / Math.pow(10, rlength);
return newnumber;
}
Call the function as
alert(roundNumber(192.168,2));
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what is difference between success and .done() method of $.ajax
...efore making the request
$.ajax({
url: '...',
success: function(){
alert('AJAX successful');
}
});
// set success action just after starting the request
var jqxhr = $.ajax( "..." )
.done(function() { alert("success"); });
This change is for compatibility with jQuery 1.5's deferred obj...
When NOT to call super() method when overriding?
...er, if the API follows a robust design, it should throw some exceptions to alert the consumer developer at project compile time, and make sure it will not generate a fault at run time.
If this is not explicitly stated in the API documentation, then it is quite safe for the consumer developer to ass...
How to color System.out.println output? [duplicate]
... not the best way to do it, the easiest way to do this in a programming or scripting language is to use escape sequences. From that link:
An escape sequence is a series of characters used to change the state of computers and their attached peripheral devices. These are also known as control sequ...
Parse JSON String into a Particular Object Prototype in JavaScript
... for (var prop in obj) this[prop] = obj[prop];
}
var fooObj = new Foo();
alert(fooObj.test() ); //Prints 6
// INITIALISE A NEW FOO AND PASS THE PARSED JSON OBJECT TO IT
var fooJSON = new Foo(JSON.parse('{"a":4,"b":3}'));
alert(fooJSON.test() ); //Prints 12
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How to compile and run C/C++ in a Unix console/Mac terminal?
...you have a "bin" directory in your home directory for regularly used shell scripts of other programs it may be wise to alter your executable search path.
This can be does easily by either creating or editing the existing .bash_profile file in your home directory and adding the lines:
#!/bin/sh
exp...
Default argument values in JavaScript functions [duplicate]
...peof(a)==='undefined') a = 10;
if (typeof(b)==='undefined') b = 20;
alert("A: "+a+"\nB: "+b);
}
//testing
func();
func(80);
func(100,200);
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How do I run a shell script without using “sh” or “bash” commands?
I have a shell script which I want to run without using the "sh" or "bash" commands. For example:
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