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Base64 Decoding in iOS 7+
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439
Swift 3+
let plainString = "foo"
Encoding
let plainData = plainString.data(using: .utf8)
le...
New Line on PHP CLI
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34
The use of PHP_EOL should be the preferred method of adding new lines.
– AutomaticPixel
Feb 15 '12 a...
How to get last items of a list in Python?
...re's an example using the python CLI interpreter:
>>> a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a[-9:]
[4, 5, 6, 7, 8, 9, 10, 11, 12]
the important line is a[-9:]
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How to enable Ad Hoc Distributed Queries
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edited Jan 27 '13 at 4:16
Aaron Bertrand
234k3131 gold badges408408 silver badges442442 bronze badges
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In Vim, how do I apply a macro to a set of lines?
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368
Use the normal command in Ex mode to execute the macro on multiple/all lines:
Execute the mac...
How would I get a cron job to run every 30 minutes?
I'm looking to add a crontab entry to execute a script every 30 minutes, on the hour and 30 minutes past the hour or something close. I have the following, but it doesn't seem to run on 0.
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CSS Selector that applies to elements with two classes
...attribute being set to two specific classes. For example, let's say I have 3 divs:
1 Answer
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To find whether a column exists in data frame or not
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answered Apr 23 '12 at 7:03
user554546user554546
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c# datatable insert column at position 0
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3 Answers
3
Active
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How to move columns in a MySQL table?
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351
If empName is a VARCHAR(50) column:
ALTER TABLE Employees MODIFY COLUMN empName VARCHAR(50) A...