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Accessing last x characters of a string in Bash
... line:
$ foo=1234567890
$ echo $foo | grep -o ...$
890
To make it optionally get the 1 to 3 last chars, in case of strings with less than 3 chars, you can use egrep with this regex:
$ echo a | egrep -o '.{1,3}$'
a
$ echo ab | egrep -o '.{1,3}$'
ab
$ echo abc | egrep -o '.{1,3}$'
abc
$ echo abcd ...
AngularJS: ng-show / ng-hide not working with `{{ }}` interpolation
...
Thanks, this was not very intuitive (as you can tell from all the up-votes)
– Sentient
Mar 14 '14 at 0:51
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How to configure XAMPP to send mail from localhost?
...mail\sendmail.exe\" -t"
Now Open C:\xampp\sendmail\sendmail.ini. Replace all the existing code in sendmail.ini with following code
[sendmail]
smtp_server=smtp.gmail.com
smtp_port=587
error_logfile=error.log
debug_logfile=debug.log
auth_username=my-gmail-id@gmail.com
auth_password=my-gmail-passwo...
Setting default values for columns in JPA
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Actually it is possible in JPA, although a little bit of a hack using the columnDefinition property of the @Column annotation, for example:
@Column(name="Price", columnDefinition="Decimal(10,2) default '100.00'")
...
How can I convert string to datetime with format specification in JavaScript?
...lease update the link. This doesn't help anymore.
– Tallerlei
Mar 24 at 8:43
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show 1 more comment
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(413) Request Entity Too Large | uploadReadAheadSize
...cture.
As long as the file size of this picture is less then approx. 48KB, all goes well. But if I'm trying to upload a larger picture, the WCF service returns an error: (413) Request Entity Too Large.
So ofcourse I've spent 3 hours Googling the error message and every topic I've seen about this s...
Why use a ReentrantLock if one can use synchronized(this)?
...time-out. ReentrantLock also has support for configurable fairness policy, allowing more flexible thread scheduling.
The constructor for this class accepts an optional fairness parameter. When set true, under contention, locks favor granting access to the longest-waiting thread. Otherwise this lock...
This Row already belongs to another table error when trying to add rows?
... Can I use ImportRow as an alernative? and Why would .NET only not allow you to have the same DataRow for different DataTables? Is this by design?
– Xaisoft
Apr 6 '09 at 15:52
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Take screenshots in the iOS simulator
... a screen shot. Or
Using Mac Keyboad: Press keys ⌥ Option + ⌘ + s all together.
It will show to a dialog with file storage options and also allows to set/change default path.
Tip 3: How to take a screen shot with Device Bezel?
Enable Show Device Bezel from Window menu.
Here is an op...
How can I shift-select multiple checkboxes like GMail?
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You can call slice instead of using the for loop. It would look like this: "$('.chkbox').slice(min..., max... + 1).attr('checked', lastChecked.checked)"
– Matthew Crumley
Mar 18 '09 at 23:16
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