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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
..., add the annotation (this will add an extra field to the returned values) and finally, you order them by this value
Refer to https://docs.djangoproject.com/en/dev/topics/db/aggregation/ for more insight
Good to note: if using Count, the value passed to Count does not affect the aggregation, just th...
How to properly URL encode a string in PHP?
I'm making a search page, where you type a search query and the form is submitted to search.php?query=your query . What PHP function is the best and that I should use for encoding/decoding the search query?
...
How can I close a buffer without closing the window?
Vim's multilayered views (Windows, Buffers and Tabs) left me a little confused. Let's say I split the display (:sp) and then select a different buffer to display in each window. Now I want to close one of the buffers, yet I don't want the window to close (After the closing it can display the next bu...
How to vertically align into the center of the content of a div with defined width/height?
...
I have researched this a little and from what I have found you have four options:
Version 1: Parent div with display as table-cell
If you do not mind using the display:table-cell on your parent div, you can use of the following options:
.area{
height...
Make absolute positioned div expand parent div height
... width: 145px;
float: left;
}
Finally, add a clearfix to the parent and you're done (see the fiddle for the complete solution).
Generally, as long as the element with absolute position is positioned at the top of the parent element, chances are good that you find a workaround by floating the...
what's the meaning of '=?' in angularJS directive isolate scope declaration?
... or =attr - set up bi-directional binding between a local scope
property and the parent scope property of name defined via the value
of the attr attribute. If no attr name is specified then the
attribute name is assumed to be the same as the local name. Given
<widget my-attr="parentModel"...
Serialize form data to JSON [duplicate]
...the same name. You should check if indexed_array[n['name']] already exists and if it convert it to array and add the n['value'] there. Of course you also need to check if indexed_array[n['name']] is already an array.
– Strix
May 22 '13 at 22:13
...
Vertical (rotated) text in HTML table
...d site has simplified the rule set to drop legacy Internet Explorer filter and rely more in the now standard transform property:
.box_rotate {
-webkit-transform: rotate(7.5deg); /* Chrome, Opera 15+, Safari 3.1+ */
-ms-transform: rotate(7.5deg); /* IE 9 */
transform: rota...
CSS hack大全 - 创意 - 清泛网 - 专注C/C++及内核技术
...*IE6、7识别*/ _background-color:#1e0bd1/*IE6识别*/}
@media screen and (-webkit-min-device-pixel-ratio:0){.bb{background-color:#f1ee18}}{} /* Safari(Chrome) 有效 */
@media all and (min-width: 0px){ .bb{background-color:#f1ee18;/*opera and Safari(Chrome) and firefox*/ background-color:#4ca...
Adding information to an exception?
...ay, you'd need to do something along these lines to preserve the traceback and not hardcode the type of exception in function bar(). Also note that there will be the line:
During handling of the above exception, another exception occurred:
in the traceback messages displayed.
# for Python 3.x
.....