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Reference - What does this error mean in PHP?
...ple would be a template file like this:
<html>
<?php session_start(); ?>
<head><title>My Page</title>
</html>
...
The session_start() function will try to send headers with the session cookie to the client. But PHP already sent headers when it wrote the...
Add 2 hours to current time in MySQL?
...
SELECT *
FROM courses
WHERE DATE_ADD(NOW(), INTERVAL 2 HOUR) > start_time
See Date and Time Functions for other date/time manipulation.
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Delete commits from a branch in Git
...orce
However, if others may have pulled it, then you would be better off starting a new branch. Because when they pull, it will just merge it into their work, and you will get it pushed back up again.
If you already pushed, it may be better to use git revert, to create a "mirror image" commit th...
Running a cron job on Linux every six hours
...o care about
0 */6 * * * /path/to/mycommand
This means every sixth hour starting from 0, i.e. at hour 0, 6, 12 and 18 which you could write as
0 0,6,12,18 * * * /path/to/mycommand
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Evil Mode best practice? [closed]
...a huge number of things to gain, I did a lot of experimenting when I first started using evil. While the following are controversial, I wanted to keep the emacs keys that are used more universally in terminal, firefox, cocoa, etc..., but didn't want to lose the vim editing capabilities. I ended up d...
How to listen for a WebView finishing loading a URL?
...several iframes in a page you will have multiple onPageFinished (and onPageStarted). And if you have several redirects it may also fail. This approach solves (almost) all the problems:
boolean loadingFinished = true;
boolean redirect = false;
mWebView.setWebViewClient(new WebViewClient() {
@O...
How to schedule a function to run every hour on Flask?
...ler.add_job(func=print_date_time, trigger="interval", seconds=3)
scheduler.start()
# Shut down the scheduler when exiting the app
atexit.register(lambda: scheduler.shutdown())
Note that two of these schedulers will be launched when Flask is in debug mode. For more information, check out this ques...
Wrap long lines in Python [duplicate]
...ence/lexical_analysis.html#string-literal-concatenation is a good place to start for more info.
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Split delimited strings in a column and insert as new rows [duplicate]
...lumns in a single statement:
> head(mydf)
geneid chrom start end strand length gene_count
ENSG00000223972.5 chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1 11869;12010;12179;12613;12613;12975;13221;13221;13453 12227;12057;12227;12721;12697;13052;13374;14409;13670 +;+;+;+...
MVC4 StyleBundle not resolving images
...y. (they ended up getting checked in, deployed, then the service wouldn't start!)
So to follow the design of Bundling, I elected to perform essentially the same code, but in an IBundleTransform implementation::
class StyleRelativePathTransform
: IBundleTransform
{
public StyleRelativePath...