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How can I explicitly free memory in Python?
... In general, gc.collect() is to be avoided. The garbage collector knows how to do its job. That said, if the OP is in a situation where he is suddenly deallocating a lot of objects (like in the millions), gc.collect may prove useful.
– Jason Baker
Aug ...
LEN function not including trailing spaces in SQL Server
...Starting from SQL server 2012, unicode columns with version 100 collations now supports surrogate pairs. This means a single character may use up to 4 bytes, causing the divide by two trick to fail. See msdn.
– Frédéric
May 26 '15 at 15:25
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How to set Java environment path in Ubuntu
... java
java: /usr/bin/java /usr/share/java /usr/share/man/man1/java.1.gz
Now dig deeper-
$ ls -l /usr/bin/java
lrwxrwxrwx 1 root root 46 Aug 25 2018 /etc/alternatives/java -> /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
Dig deeper:
$ ls -l /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
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How to copy a row and insert in same table with a autoincrement field in MySQL?
...ou go Stored Procedure you don't go back - you're married to that database now and just adds to the costs whenever you want to change.
– Yzmir Ramirez
Feb 13 '12 at 2:41
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Disable cross domain web security in Firefox
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From this answer I've known a CORS Everywhere Firefox extension and it works for me. It creates MITM proxy intercepting headers to disable CORS.
You can find the extension at addons.mozilla.org or here.
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Full-screen iframe with a height of 100%
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@Boris Zbarsky Yeah, thanks for letting me know that! I've updated the post now!! @hmthr Your first question relating the double tags is because earlier browsers do take the "height" and "width" tags but don't work well with the style tags! About the IE bug, I would pr...
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
I know some differences of LINQ to Entities and LINQ to Objects which the first implements IQueryable and the second implements IEnumerable and my question scope is within EF 5.
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How to copy commits from one branch to another?
... Thanks for the support, and the extra info on why not to cherry-pick - I know I skimped a little there. @gotgenes: Thanks! I think it's totally worth the effort - just look at the git-rebase manpage. There's no better way to explain it.
– Cascabel
Mar 19 '10 a...
What is the proper way to use the node.js postgresql module?
...ption clear: that's my fault. I'll try to improve it. I wrote a Gist just now to explain this because the conversation grew too long for Twitter.
Using pg.connect is the way to go in a web environment.
PostgreSQL server can only handle 1 query at a time per connection.
That means if you...
Core dumped, but core file is not in the current directory?
... following content echo "core.%e.%p" > /proc/sys/kernel/core_pattern ..now it creates the core dump file in current directory itself. with name "core.giis.12344" etc. Thank you all for your answers/comments/hints .
– webminal.org
Jan 15 '10 at 6:57
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