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In Git, how do I figure out what my current revision is?
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edited Feb 18 at 12:42
answered Apr 20 '11 at 1:59
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TFS checkin error - could not find file
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edited Dec 17 '16 at 12:19
jessehouwing
83.1k1717 gold badges203203 silver badges278278 bronze badges
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How do I remove blank elements from an array?
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511
There are many ways to do this, one is reject
noEmptyCities = cities.reject { |c| c.empty? }
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Datatables: Cannot read property 'mData' of undefined
...s)
<table id="sample-table">
<tr>
<th>title-1</th>
<th>title-2</th>
</tr>
<tr>
<td>data-1</td>
<td>data-2</td>
</tr>
</table>
The following will also throw an error ...
Restrict varchar() column to specific values?
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128
Have you already looked at adding a check constraint on that column which would restrict value...
How to check size of a file using Bash?
...n easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case.
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How to add a filter class in Spring Boot?
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162
If you want to setup a third-party filter you can use FilterRegistrationBean.
For example the ...
SQL how to increase or decrease one for a int column in one command
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To answer the first:
UPDATE Orders SET Quantity = Quantity + 1 WHERE ...
To answer the second:
There are several ways to do this. Since you did not specify a database, I will assume MySQL.
INSERT INTO table SET x=1, y=2 ON DUPLICATE KEY UPDATE x=x+1, y=y+2
REPLACE INTO table SET ...
delete_all vs destroy_all?
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edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Jul 14 '11 at 18:36
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How to silence output in a Bash script?
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189
If it outputs to stderr as well you'll want to silence that. You can do that by redirecting fi...