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Remove all the children DOM elements in div
...by references from other JS objects. For example: a gfx surface references all its children, a group references all its children too, and so on. Deleting just DOM nodes is not enough.
– Eugene Lazutkin
Jul 2 '13 at 22:16
...
Proper way to wait for one function to finish before continuing?
I have two JS functions. One calls the other. Within the calling function, I'd like to call the other, wait for that function to finish, then continue on. So, for example/pseudo code:
...
Check if key exists and iterate the JSON array using Python
...
If all you want is to check if key exists or not
h = {'a': 1}
'b' in h # returns False
If you want to check if there is a value for key
h.get('b') # returns None
Return a default value if actual value is missing
h.get('b'...
How do I automatically update a timestamp in PostgreSQL
I want the code to be able to automatically update the time stamp when a new row is inserted as I can do in MySQL using CURRENT_TIMESTAMP.
...
What is the real overhead of try/catch in C#?
... to make here:
Firstly, there is little or NO performance penalty in actually having try-catch blocks in your code. This should not be a consideration when trying to avoid having them in your application. The performance hit only comes into play when an exception is thrown.
When an exception is th...
What is the difference between decodeURIComponent and decodeURI?
... URI parts.
encodeURI in less common, and misleadingly named: it should really be called fixBrokenURI. It takes something that's nearly a URI, but has invalid characters such as spaces in it, and turns it into a real URI. It has a valid use in fixing up invalid URIs from user input, and it can also...
jQuery `.is(“:visible”)` not working in Chrome
...n appended to a
document since it depends on the applicable styles.
All option elements are considered hidden, regardless of their
selected state.
During animations that hide an element, the element is considered
visible until the end of the animation. During animations to show an
...
CSS 3 slide-in from left transition
...function() {
$('.slide-in').toggleClass('show');
});
.slide-in {
z-index: 10; /* to position it in front of the other content */
position: absolute;
overflow: hidden; /* to prevent scrollbar appearing */
}
.slide-in.from-left {
left: 0;
}
.slide-in.from-right {
right: 0;
...
Animate a custom Dialog
...ion">
<item name="android:windowEnterAnimation">@anim/spin_in</item>
<item name="android:windowExitAnimation">@android:anim/slide_out_right</item>
</style>
</resources>
The windowEnterAnimation is one of my animations and is located in res...
Backbone.js fetch with parameters
... methodMap[method];
// Default JSON-request options.
var params = _.extend({
type: type,
dataType: 'json',
processData: false
}, options);
// Ensure that we have a URL.
if (!params.url) {
params.url = getUrl(model) || urlError();
}
...