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Why malloc+memset is slower than calloc?
It's known that calloc is different than malloc in that it initializes the memory allocated. With calloc , the memory is set to zero. With malloc , the memory is not cleared.
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Fastest way to determine if record exists
...ECT TOP 1 products.id FROM products WHERE products.id = ?; will outperform all of your suggestions as it will terminate execution after it finds the first record.
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How to read a CSV file into a .NET Datatable
...ns values, so coming up with a regex that would split the line was kinda challenging. The OleDbProvider inferred the schema correctly.
– Galilyou
Jan 14 '12 at 10:41
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Should I use past or present tense in git commit messages? [closed]
...evious commit; and for a log, past tense makes a lot more sense. If you really think the commit message should be a set of instructions, then the imperative tense is the way to go. I just really do not think of it in that way.
– karadoc
Jun 4 '12 at 14:16
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Git Clone: Just the files, please?
...hive.
See backing up project which uses git: it will include in an archive all files (including submodules if you are using the git-archive-all script)
You can then use that archive anywhere, giving you back only files, no .git directory.
git archive --remote=<repository URL> | tar -t
If y...
Find out which remote branch a local branch is tracking
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Here is a command that gives you all tracking branches (configured for 'pull'), see:
$ git branch -vv
main aaf02f0 [main/master: ahead 25] Some other commit
* master add0a03 [jdsumsion/master] Some commit
You have to wade through the SHA and any long-...
Possible reason for NGINX 499 error codes
... connection before the server answered the request. In my experience is usually caused by client side timeout. As I know it's an Nginx specific error code.
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How to git-svn clone the last n revisions from a Subversion repository?
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You've already discovered the simplest way to specify a shallow clone in Git-SVN, by specifying the SVN revision number that you want to start your clone at ( -r$REV:HEAD).
For example: git svn clone -s -r1450:HEAD some/svn/repo
Git's data structure is based on pointers in a dir...
Is there any difference between “!=” and “” in Oracle Sql?
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No there is no difference at all in functionality.
(The same is true for all other DBMS - most of them support both styles):
Here is the current SQL reference: https://docs.oracle.com/database/121/SQLRF/conditions002.htm#CJAGAABC
The SQL standard only...
Form onSubmit determine which submit button was pressed [duplicate]
...no actor is explicitly clicked, the browser will
// automatically choose the first in source-order
// so we do the same here
submitActor = $submitActors[0];
}
console.log(submitActor.name);
// alert(submitActor.name);
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