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What linux shell command returns a part of a string? [duplicate]
...u can try this:
stringZ=abcABC123ABCabc
# 0123456789.....
# 0-based indexing.
echo ${stringZ:0:2} # prints ab
More samples in The Linux Documentation Project
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Can Android do peer-to-peer ad-hoc networking?
... setting up and tearing down an ad-hoc network and compile a new C library based on the startstopadhoc.c (the file you need to modify). You can find the source code here: code.google.com/p/adhoc-on-android/source/browse/trunk/jni/… If you are lucky the commands you need to execute may be similar...
HTML list-style-type dash
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Use this:
ul
{
list-style: square inside url('data:image/gif;base64,R0lGODlhBQAKAIABAAAAAP///yH5BAEAAAEALAAAAAAFAAoAAAIIjI+ZwKwPUQEAOw==');
}
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Ruby on Rails: how do I sort with two columns using ActiveRecord?
...rs. The updated_at column will be a full timestamp, so if you want to sort based on the day it was updated, you need to use a function to get just the date part from the timestamp. In MySQL, that is DATE().
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How to only get file name with Linux 'find'?
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If your find doesn't have a -printf option you can also use basename:
find ./dir1 -type f -exec basename {} \;
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How to specify more spaces for the delimiter using cut?
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ps axu | grep '[j]boss' | cuts 4
Note that cuts field indexes are zero-based so 5th field is specified as 4
http://arielf.github.io/cuts/
And even shorter (not using cut at all) is:
pgrep jboss
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What's the most elegant way to cap a number to a segment? [closed]
...=> 10
Here is its implementation, taken from Lodash source:
/**
* The base implementation of `_.clamp` which doesn't coerce arguments.
*
* @private
* @param {number} number The number to clamp.
* @param {number} [lower] The lower bound.
* @param {number} upper The upper bound.
* @returns ...
mysql update column with value from another table
...eB still has its own data w/o changing. wtools.io/paste-code/bzWA A sample based on OP and this answer.
– sniffingdoggo
Feb 19 at 11:14
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Get specific line from text file using just shell script
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@JosipRodin I made an independent edit suggestion based on your comment, as I agree with it. Hopefully this time it won't be rejected.
– Victor Zamanian
Aug 2 '17 at 10:30
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Maximum number of threads in a .NET app?
...s to 1000. A limit of 1000 is effectively no limit at all."
Note this is based on .NET 2.0. This may have changed in .NET 3.5.
[Edit] As @Mitch pointed out, this is specific to the CLR ThreadPool. If you're creating threads directly see the @Mitch and others comments.
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