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“Variable” variables in Javascript?
...ng eval():
var data = "testVariable";
eval("var temp_" + data + "=123;");
alert(temp_testVariable);
Or using the window object:
var data = "testVariable";
window["temp_" + data] = 123;
alert(window["temp_" + data]);
http://www.hiteshagrawal.com/javascript/dynamic-variables-in-javascript
...
image.onload event and browser cache
I want to create an alert box after an image is loaded, but if the image is saved in the browser cache, the .onload event will not be fired.
...
How to run Node.js as a background process and never die?
...ize it! Use proper tools for it, like forever, pm2 or the plain old init.d scripts.
– Victor Schröder
Mar 16 '16 at 9:28
|
show 12 more com...
How to append something to an array?
...ar ar1 = [1, 2, 3];
var ar2 = [4, 5, 6];
var ar3 = ar1.concat(ar2);
alert(ar1);
alert(ar2);
alert(ar3);
The concat does not affect ar1 and ar2 unless reassigned, for example:
var ar1 = [1, 2, 3];
var ar2 = [4, 5, 6];
ar1 = ar1.concat(ar2);
alert(ar1);
Lots of great i...
multiprocessing: sharing a large read-only object between processes?
...le, and sent the other lines to the next piped process (which was the same script). Runtime went down by half. It's a little hacky, but the overhead is much lighter than map/poop in the multiprocessing module.
– Vince
Nov 30 '09 at 21:55
...
Declaring javascript object method in constructor function vs. in prototype [duplicate]
...kCount = 0;
this.bark = function() {
barkCount++;
alert(this.name + " bark");
};
this.getBarkCount = function() {
alert(this.name + " has barked " + barkCount + " times");
};
};
Dog.prototype.wagTail = function() {
alert(this.name + " waggi...
How to implement a confirmation (yes/no) DialogPreference?
...
That is a simple alert dialog, Federico gave you a site where you can look things up.
Here is a short example of how an alert dialog can be built.
new AlertDialog.Builder(this)
.setTitle("Title")
.setMessage("Do you really want to whatever?...
typeof for RegExp
...
You can use instanceof operator:
var t = /^foo(bar)?$/i;
alert(t instanceof RegExp);//returns true
In fact, that is almost the same as:
var t = /^foo(bar)?$/i;
alert(t.constructor == RegExp);//returns true
Keep in mind that as RegExp is not a primitive data type, it is not pos...
“Thinking in AngularJS” if I have a jQuery background? [closed]
...hat the user sees.
Separation of concerns
jQuery employs unobtrusive JavaScript - behavior (JavaScript) is separated from the structure (HTML).
AngularJS uses controllers and directives (each of which can have their own controller, and/or compile and linking functions) to remove behavior from the...
How to parse/read a YAML file into a Python object? [duplicate]
.../python-setup-py-uninstall
Beware when using pip within an aptitude or RPM script.
Pip might not play by all the rules.
Your installation may be permanent.
Ruby is 7X faster at loading large YAML files.
pip could ruin your life.
https://stackoverflow.com/questions/46326059/
https://stackover...