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Passing references to pointers in C++
...n I shouldn't be allowed to pass a reference to a pointer in C++. However, my attempts to do so are failing, and I have no idea why.
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What exactly is nullptr?
...can't convert 0 to nullptr in cases like cond ? nullptr : 0;. Removed from my answer.
– Johannes Schaub - litb
Aug 15 '09 at 17:23
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wkhtmltopdf: cannot connect to X server
...ve been using wkthmltopdf to convert html to pdf documents on-the-fly on my linux web server. The program originally needed X11 or similar X server to run correctly, but through many requests by developers to have this run on servers without GUI, I am pretty sure it runs a virtual X server in the...
AngularJS - Multiple ng-view in single template
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You cant have multiple ng-view. Below is my use case where I solved my requirement.
I wanted to have tabbed behavior in my model dialog. I was facing issue as click on tabs having hyperlink which will invoke router links. I solved this using button and css for tabs....
What is the use of the @ symbol in PHP?
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I had time to correct my suppress spelling after posting ... and damn you for enhancing with a link at the same time rages :P
– Aiden Bell
Jun 23 '09 at 12:12
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MySQL “Group By” and “Order By”
... bunch of rows from a table of e-mails and group them by the from sender. My query looks like this:
6 Answers
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How to pause a YouTube player when hiding the iframe?
...auseVideo and playVideo methods, when necessary. Inspired by the result of my previous answer, I have written a pluginless function to achieve the desired behaviour.
The only adjustments:
I have added a function, toggleVideo
I have added ?enablejsapi=1 to YouTube's URL, to enable the feature
De...
Hashing a string with Sha256
...hi2013 for some reason it gives different results and results in errors in my login module.
Then I tried modifying the code the same way as suggested by Quuxplusone and changed the encoding from ASCII to UTF8 then it finally worked!
static string sha256(string randomString)
{
var crypt = new Sy...
Do spurious wakeups in Java actually happen?
...rnal source and are processed asynchronously because there are problems if my system does not read them fast enough.
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Adding a user to a group in django
...add the user to the user_set
from django.contrib.auth.models import Group
my_group = Group.objects.get(name='my_group_name')
my_group.user_set.add(your_user)
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