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Label on the left side instead above an input field
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answered Nov 28 '15 at 18:20
Martin Cisneros Capistr...
How to get a list of column names on Sqlite3 database?
...I don't have some version saved, I need to check if certain column names exist.
18 Answers
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How do I get SUM function in MySQL to return '0' if no values are found?
...SUM(column),0)
FROM table
WHERE ...
To see it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with all nulls, and one with a mixture):
SQL Fiddle
MySQL 5.5.32 Schema Setup:
CREATE TABLE foo
(
...
What does 'wb' mean in this code, using Python?
... are also modes like 'rb', 'wb',
and 'r+b'. Python on Windows makes a
distinction between text and binary
files; the end-of-line characters in
text files are automatically altered
slightly when data is read or written.
This behind-the-scenes modification to
file data is fine for ASCII ...
CPU Privilege Rings: Why rings 1 and 2 aren't used?
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As a hobbyist operating system writer, I found that because paging (a major part of the modern protection model) only has a concept of privileged (ring 0,1,2) and unprivileged, the benefit to rings 1 and 2 were diminished greatly.
The...
Following git-flow how should you handle a hotfix of an earlier release?
...ng model, documented here and with tools here , how should you handle this situation:
4 Answers
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sed: print only matching group
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Match the whole line, so add a .* at the beginning of your regex. This causes the entire line to be replaced with the contents of the group
echo "foo bar <foo> bla 1 2 3.4" |
sed -n 's/.*\([0-9][0-9]*[\ \t][0-9.]*[ \t]*$\)/\1/p'
2 3.4
...
Execute and get the output of a shell command in node.js
...s, I'd like to find a way to obtain the output of a Unix terminal command. Is there any way to do this?
5 Answers
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Converting double to string
I am not sure it is me or what but I am having a problem converting a double to string.
14 Answers
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iOS 7 sizeWithAttributes: replacement for sizeWithFont:constrainedToSize
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well you can try this :
NSDictionary *attributes = @{NSFontAttributeName: [UIFont fontWithName:@"HelveticaNeue" size:14]};
// NSString class method: boundingRectWithSize:options:attributes:context is
// available only on ios7.0 sdk.
CGRect rec...