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How to validate an Email in PHP?
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Stay away from regex and filter_var() solutions for validating email. See this answer: https://stackoverflow.com/a/42037557/953833
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UICollectionView's cellForItemAtIndexPath is not being called
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In my case, it was because my layout class incorrectly subclassed from UICollectionViewLayout instead of UICollectionViewFlowLayout
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AngularJS - Access to child scope
...in a child scope the interpreter will look up the prototype chain starting from the child and continue to the parents until it finds the property, not the other way around.
Check Vojta's comments on the issue https://groups.google.com/d/msg/angular/LDNz_TQQiNE/ygYrSvdI0A0J
In a nutshell: You cann...
Watermark / hint text / placeholder TextBox
...eciate your effort to help the community, I really need to say this is far from being even a decent approach.
– r41n
Dec 5 '13 at 15:33
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C# Events and Thread Safety
...does handle the null handler issue. Even if the original Sink unregisters from the Event after the handler != null check, the Event is still raised and no exception is thrown.
– JP Alioto
May 1 '09 at 18:48
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python: Change the scripts working directory to the script's own directory
I run a python shell from crontab every minute:
4 Answers
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Git repository broken after computer died
...p the files you modified in the repo
remove your existing repo
re-clone it from server
paste the files from step 1 to the repo, and git commit -a
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Open a file from Cygwin
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You can use the start command from the CMD like this:
cmd /c start <your file>
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Cannot read configuration file due to insufficient permissions
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While trying to setup a new ASP.Net web site from scratch in IIS 7 onward once you have fixed the error being discussed in this thread you might face an authorization error "HTTP Error 401.3 - Unauthorized" as your next hurdle. To fix that if you have enabled anonymous ...
How to output loop.counter in python jinja template?
...ter variable inside the loop is called loop.index in jinja2.
>>> from jinja2 import Template
>>> s = "{% for element in elements %}{{loop.index}} {% endfor %}"
>>> Template(s).render(elements=["a", "b", "c", "d"])
1 2 3 4
See http://jinja.pocoo.org/docs/templates/ for ...