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What does the Subversion status symbol “~” mean?
...e extensions are installed through the CMS and are owned by apache with no group write. Generally the next step is to add the files to the SVN but if you don't sudo or change the file perms, then SVN fails when it can't write the .svn directory. Here's the easy solution.
mv foo foo-bak
svn up foo
s...
What's the difference between [ and [[ in Bash? [duplicate]
...is as
if [[ $answer =~ ^y(es)?$ ]]
It even lets you access the captured groups which it stores in BASH_REMATCH. For instance, ${BASH_REMATCH[1]} would be "es" if you typed a full "yes" above.
You get pattern matching aka globbing for free. Maybe you're less strict about how to type yes. Maybe you...
AWS: How to disable all services?
...ed my ec2 instance, deleted my storage volume and even removed my security group and key pair so I have nothing now. Hopefully no charge :P
Always make sure you select the right region. I once had 2 instances running and didnt realize it.
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How to write log to file
...safer permissions are 0644 or even 0664 to allow user read/write, user and group read/write, and in both cases disallow everyone write.
– Jonathan
Jun 10 '16 at 16:22
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Currency formatting in Python
...188518982.18 )
'$188518982.18'
>>> locale.currency( 188518982.18, grouping=True )
'$188,518,982.18'
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Select first 4 rows of a data.frame in R
...ation I normally use the slice function in dplyr. (Behavior depends on the grouping.)
– Eduardo Leoni
May 28 '18 at 21:16
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Oracle 分组后取每组第一条数据 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...C) rowNo, T.*
FROM table_xxx T)
WHERE rowNo = 1;
oracle group ROW_NUMBER
How can I display an image from a file in Jupyter Notebook?
... I was wondering, how could we tile the images? For instance to show a 4x4 group of images.
– gmagno
May 23 '19 at 14:45
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How to get multiple select box values using jQuery?
...ted values in comma separator
var Accessids = "";
$(".multi_select .btn-group>ul>li input:checked").each(function(i,obj)
{
Accessids=Accessids+$(obj).val()+",";
});
Accessids = Accessids.substring(0,Accessids.length - 1);
console.log(Accessids);
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How can you find out which process is listening on a port on Windows?
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You need to be an administrator (or in that group) to run this.
– KrishPrabakar
Jan 4 '16 at 7:40
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