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How can I list (ls) the 5 last modified files in a directory?
I know ls -t will list all files by modified time. But how can I limit these results to only the last n files?
5 Answe...
Putty: Getting Server refused our key Error
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OK, there was a small typo in my key. Apparently when pasting to file the first letter was cut off and it started with sh-rsa instead of ssh-rsa.
nrathathaus - your answer was very helpful, thanks a lot, this answer is credited to you :) I di...
Spring CrudRepository findByInventoryIds(List inventoryIdList) - equivalent to IN clause
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It's actually listed in the reference documentation.
– Oliver Drotbohm
Sep 27 '13 at 14:09
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Bash Templating: How to build configuration files from templates with Bash?
...\}/defined $ENV{$1} ? $ENV{$1} : $&/eg' < template.txt
to replace all ${...} strings with corresponding enviroment variables (do not forget to export them before running this script).
For pure bash this should work (assuming that variables do not contain ${...} strings):
#!/bin/bash
while...
Django rest framework, use different serializers in the same ModelViewSet
... like to provide two different serializers and yet be able to benefit from all the facilities of ModelViewSet :
6 Answers
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git --git-dir not working as expected
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Thanks this worked! Agreed that this is confusing. Its called Keep It Simple Stupid. You can almost always allow flexibility while at the same time giving defaults that make the most sense VS having a command not work at all.
– Nay
Jan 18 '12...
Where to get “UTF-8” string literal in Java?
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You don't really need to call name() at all. You can directly pass the Charset object into the InputStreamReader constructor.
– Natix
Nov 19 '14 at 10:33
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?
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Yes, __attribute__((packed)) is potentially unsafe on some systems. The symptom probably won't show up on an x86, which just makes the problem more insidious; testing on x86 systems won't reveal the problem. (On the x86, misaligned accesses are handled in hardwa...
Python using enumerate inside list comprehension
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Just to be really clear, this has nothing to do with enumerate and everything to do with list comprehension syntax.
This list comprehension returns a list of tuples:
[(i,j) for i in range(3) for j in 'abc']
this a list of dicts:
[{i:...
Checking if a double (or float) is NaN in C++
...nly if f is NaN.
Note that, as some comments below have pointed out, not all compilers respect this when optimizing code.
For any compiler which claims to use IEEE floating point, this trick should work. But I can't guarantee that it will work in practice. Check with your compiler, if in doubt.
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