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Cannot delete or update a parent row: a foreign key constraint fails
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If you were going to do this, why not just remove all of the constraints?
– Sablefoste
Jun 7 '16 at 12:23
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How to get Activity's content view?
What method should I call to know if an Activity has its contentView (once the method setContentView() has been called)?
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jQuery click events firing multiple times
...ck handler ain't a one-off throwaway thing. Especially when it's the bulky if-if-if shown in the question. You're supposed to attach it and let it do its work as long as the page lives.
– Marco Faustinelli
Jun 19 '15 at 5:44
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PHP String to Float
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^worth noting that (float) removes 0 from string if it's the first digit
– user3608589
Jan 24 '17 at 12:47
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Bash Templating: How to build configuration files from templates with Bash?
.../$LHS/$RHS}
done
echo "$line"
done
. Solution that does not hang if RHS references some variable that references itself:
#!/bin/bash
line="$(cat; echo -n a)"
end_offset=${#line}
while [[ "${line:0:$end_offset}" =~ (.*)(\$\{([a-zA-Z_][a-zA-Z_0-9]*)\})(.*) ]] ; do
PRE="${BASH_REMATCH[1]...
Simple and fast method to compare images for similarity
... way to compare two images for similarity. I.e. I want to get a high value if they contain exactly the same thing but may have some slightly different background and may be moved / resized by a few pixel.
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Regular expression to match DNS hostname or IP Address?
...\.
ValidHostnameRegex is valid as per RFC 1123. Originally, RFC 952 specified that hostname segments could not start with a digit.
http://en.wikipedia.org/wiki/Hostname
The original specification of
hostnames in RFC
952,
mandated that labels could not start
with a digit or with a hyp...
How to perform Single click checkbox selection in WPF DataGrid?
...olumn as text column and second column as CheckBox column. What I want is, if I click the check box. It should get checked.
But, it takes two click to get selected, for first click the cell is getting selected, for the second clicks the check box is getting checked. How to make the check box to g...
Better techniques for trimming leading zeros in SQL Server?
...you parse a zero ('0'), you get a blank. You need to be able to tell the difference between a '0' value and a blank value. Please see my post for a full solution: stackoverflow.com/a/21805081/555798
– MikeTeeVee
Feb 17 '14 at 18:15
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How to set HttpResponse timeout for Android in Java
...nt(httpParameters);
HttpResponse response = httpClient.execute(httpGet);
If you want to set the Parameters of any existing HTTPClient (e.g. DefaultHttpClient or AndroidHttpClient) you can use the function setParams().
httpClient.setParams(httpParameters);
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