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How to generate a core dump in Linux on a segmentation fault?
...where %e is the process name and %t the system time. You can change it in /etc/sysctl.conf and reloading by sysctl -p.
If the core files are not generated (test it by: sleep 10 & and killall -SIGSEGV sleep), check the limits by: ulimit -a.
If your core file size is limited, run:
ulimit -c unl...
Convert pem key to ssh-rsa format
... -f dummy-xxx.pem
Notes
OS and software version:
[user@test1 ~]# cat /etc/redhat-release ; uname -a ; openssl version
CentOS release 6.5 (Final)
Linux test1.example.local 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
OpenSSL 1.0.1e-fips 11 Feb 2013
R...
When should you branch?
...t also depends on the SCM tool you are using. Modern SCMs (git, mercurial, etc.) make it increasingly easy to create and destroy branches whenever needed. This allows you to, for example, make one branch per bug that you are working on. Once you merge your results into the trunk, you discard the bra...
What's the difference between an id and a class?
...he opening tag of the block has an ID of, say, "main", "header", "footer", etc.
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Can an Android Toast be longer than Toast.LENGTH_LONG?
...o double the time. If you specify 3 instead the 2 it will triple the time..etc.
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How to automatically convert strongly typed enum into int?
... like implicit conversion to indexes, seamless using of bitwise operations etc.. The new style enums added a really great scoping thing, but... You cannot use just that thing (even with explicit underlying type specification!). So now you're either forced to use old style enums with tricks like putt...
Cross-reference (named anchor) in markdown
...lly generates anchors with several markup tags on all headers (h1, h2, h3, etc.), including:
id="user-content-HEADERTEXT"
class="anchor"
href="#HEADERTEXT"
aria-hidden="true" (this is for an svg link icon that displays on mouseover)
Excluding the aria/svg icon, when one writes:
# Header Title
...
git pull while not in a git directory
...o what you're trying to do with that command. You can however, do it with fetch and merge:
cd /X
git --git-dir=/X/Y/.git fetch
git --git-dir=/X/Y/.git --work-tree=/X/Y merge origin/master
Original answer:
Assuming you're running bash or similar, you can do (cd /X/Y; git pull).
The git man page ...
What is “with (nolock)” in SQL Server?
...ed. Nolock can be helpful here if application cannot be fixed (third party etc) and database is either pre-2005 or versioning cannot be turned on.
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C++ convert hex string to signed integer
... );
int32 materialY = lexical_cast<int32_from_hex>( "fffefffe" );
// etc...
(Found this page when I was looking for a less sucky way :-)
Cheers,
A.
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