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Convert a list of data frames into one data frame
...ows() from the dplyr package:
bind_rows(list_of_dataframes, .id = "column_label")
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CSS last-child(-1)
...
Unless you can get PHP to label that element with a class you are better to use jQuery.
jQuery(document).ready(function () {
$count = jQuery("ul li").size() - 1;
alert($count);
jQuery("ul li:nth-child("+$count+")").css("color","red");
});
...
Git merge reports “Already up-to-date” though there is a difference
...erge you’ll ever do. :)
Use gitk to take a look at your repository. The label for the “test” branch should be somewhere below your “master” branch label.
Your branch is up-to-date with respect to its parent. According to merge there are no new changes in the parent since the last merge. ...
I need to store postal codes in a database. How big should the column be?
...r one reason or another (i.e. because they want another line on a shipping label). You also have to deal with testing the boundary cases (will every application that displays a ZIP handle 50 characters?). And with the fact that when clients are retrieving data from the database, they are generally...
CSS styling in Django forms
...class="fieldWrapper">
{{ form.subject.errors }}
{{ form.subject.label_tag }}
{{ form.subject }}
<span class="helptext">{{ form.subject.help_text }}</span>
</div>
</form>
form.subject is an instance of BoundField which has the as_widget() method.
You ca...
Why do most C developers use define instead of const? [duplicate]
...onstant expression is required (such as in an array declaration, or a case label in a switch statement, etc.).
Compare with the macro FIELD_WIDTH, which after preprocessing expands to the constant expression 10; this value is known at compile time, so it can be used for array dimensions, case lab...
Invoke(Delegate)
...o do it on your behalf.
For instance, if you want to change the text of a label from a worker thread, you can do something like this:
theLabel.Invoke(new Action(() => theLabel.Text = "hello world from worker thread!"));
...
Error: 10 $digest() iterations reached. Aborting! with dynamic sortby predicate
....
<div ng-app='myApp'>
<div ng-controller="testctrl">
<label>{{total}}</label>
<table>
<tr ng-repeat="item in items track by $index;" ng-init="end($index);">
<td>{{item.number}}</td>
</tr>
</table>
</div&...
why is plotting with Matplotlib so slow?
...your case, you don't need to re-draw things like the axes boundaries, tick labels, etc.
2) In your case, there are a lot of subplots with a lot of tick labels. These take a long time to draw.
Both these can be fixed by using blitting.
To do blitting efficiently, you'll have to use backend-spe...
Why can't a 'continue' statement be inside a 'finally' block?
...e return, break (when breaking out of the block) and goto (when going to a label outside the finally block). For a related Java discussion, see Returning from a finally block in Java.
– Jeppe Stig Nielsen
Aug 1 '13 at 15:27
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