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Changing CSS Values with Javascript
...of a peticular style at once. I've recently learned how to do this myself from a Shawn Olson tutorial. You can directly reference his code here.
Here is the summary:
You can retrieve the stylesheets via document.styleSheets. This will actually return an array of all the stylesheets in your page...
Dynamically creating keys in a JavaScript associative array
...hash tables in JavaScript.
Example code for looping over values in a hash (from the aforementioned link):
var myArray = new Array();
myArray['one'] = 1;
myArray['two'] = 2;
myArray['three'] = 3;
// Show the values stored
for (var i in myArray) {
alert('key is: ' + i + ', value is: ' + myArray[i...
Why can't I define a static method in a Java interface?
...on can all happen at compile-time, however, since the compiler is starting from a known class, rather than waiting until runtime to query an object of an unspecified type for its class. There is no point in "overriding" a static method since one can always specify the class that contains the desired...
How to do a LIKE query in Arel and Rails?
...if you only wanted a one-sided wildcard, there's nothing stopping the user from submitting a query value that includes % at both ends (I know that in practice, Rails prevents % from showing up in a query string, but it seems like there should be protection against this at the ActiveRecord level).
...
JavaScript: remove event listener
... Unfortunately this doesn't work with ECMAScript 5 (2009) or later, from the MDN link: "The 5th edition of ECMAScript (ES5) forbids use of arguments.callee() in strict mode. Avoid using arguments.callee() by either giving function expressions a name or use a function declaration where a funct...
How can I generate an MD5 hash?
...
From Java 11 on, you can use hashtext = "0".repeat(32 - hashtext.length()) + hashtext instead of the while, so the editors won't give you a warning that you're doing string concatenation inside a loop.
–...
Remove the bottom divider of an android ListView
...4.2. I can run literally the same app across my many test devices (ranging from 2.3.7 all the way up until 4.4.2) and KitKat is the only one where this seems to have no effect... Any ideas? I'm not adding a footer or header to my ListView and I've reproduced this on two devices (Nexus 5 and HTC One ...
How to change theme for AlertDialog
...entry has the details but in a nutshell the layout of an AlertDialog comes from two different classes (Dialog and AlertController) which use different layout param files.
– Nantoka
Oct 22 '14 at 15:20
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differentiate null=True, blank=True in django
... It might be a useful answer if you drew some summary conclusions from the data presented, but I don't think that presenting a raw data dump is a useful answer. In this case it is actually a misleading answer, since (without further comment) it implies that the effect of both blank and null...
How to convert JSON to CSV format and store in a variable
...if (ShowLabel) {
var row = "";
//This loop will extract the label from 1st index of on array
for (var index in arrData[0]) {
//Now convert each value to string and comma-seprated
row += index + ',';
}
row = row.slice(0, -1);
//append Label row with line break...