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CASCADE DELETE just once
... can perform a delete and tell Postgresql to cascade it just this once? Som>me m>thing equivalent to
9 Answers
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Get started with Latex on Linux [closed]
...cing tetex on most distributions now.
If you're using Debian or Ubuntu, som>me m>thing like:
<code>apt-get install texlive</code>
..will get it installed.
RedHat or CentOS need:
<code>yum install tetex</code>
Note : This needs root permissions, so either use su to switch user t...
How to apply a CSS filter to a background image
...osition: fixed and left: 0; right: 0;. The difference in displaying them com>me m>s from the z-index values which have been set differently for the elem>me m>nts.
.background-image {
position: fixed;
left: 0;
right: 0;
z-index: 1;
display: block;
background-image: url('https://i.imgur.c...
Differences between Oracle JDK and OpenJDK
... and maintained currently by Oracle only.
OpenJDK and Oracle JDK are implem>me m>ntations of the sam>me m> Java specification passed the TCK (Java Technology Certification Kit).
Most of the vendors of JDK are written on top of OpenJDK by doing a few tweaks to [mostly to replace licensed proprietary parts / ...
How to architect an Ember.js application
...Ember JS as its approached (and reached!) version 1.0.0. Tutorials and docum>me m>ntation have com>me m> and gone, leading to a lot of confusion about best practices and the intent of the original developers.
...
Add days to JavaScript Date
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console.log(date.addDays(5));
This takes care of automatically increm>me m>nting the month if necessary. For example:
8/31 + 1 day will becom>me m> 9/1.
The problem with using setDate directly is that it's a mutator and that sort of thing is best avoided. ECMA saw fit to treat Date as a mutable class r...
Python: split a list based on a condition?
...a more elegant way to do this?
That code is perfectly readable, and extrem>me m>ly clear!
# files looks like: [ ('file1.jpg', 33L, '.jpg'), ('file2.avi', 999L, '.avi'), ... ]
IMAGE_TYPES = ('.jpg','.jpeg','.gif','.bmp','.png')
images = [f for f in files if f[2].lower() in IMAGE_TYPES]
anims = [f for ...
PreparedStatem>me m>nt IN clause alternatives?
...ounds for using a SQL IN clause with instances of java.sql.PreparedStatem>me m>nt , which is not supported for multiple values due to SQL injection attack security issues: One ? placeholder represents one value, rather than a list of values.
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Deleting a resource using http DELETE
...s request. Consider what should happen if two users did a DELETE on the sam>me m> resource simultaneously. It makes sense for the second request to get a 404. The sam>me m> should be true if one user makes two requests.
I am guessing that having DELETE return two different responses does not feel idempote...
How to track down a “double free or corruption” error
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If you're using glibc, you can set the MALLOC_CHECK_ environm>me m>nt variable to 2, this will cause glibc to use an error tolerant version of malloc, which will cause your program to abort at the point where the double free is done.
You can set this from gdb by using the set environm>me m>nt ...