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How do I add indices to MySQL tables?
...y large MySQL table with about 150,000 rows of data. Currently, when I try and run
7 Answers
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Passing an integer by reference in Python
...n Python, assignment (=) takes whatever object is the result of the right hand side and binds it to whatever is on the left hand side *(or passes it to the appropriate function).
Understanding this, we can see why there is no way to change the value of an immutable object inside a function -- you c...
What are the differences between Helper and Utility classes?
...ts more common.
A Utility class is understood to only have static methods and be stateless. You would not create an instance of such a class.
A Helper can be a utility class or it can be stateful or require an instance be created. I would avoid this if possible.
If you can make the name more spe...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...mbers as floats, this allows scientific notation eg 1.234E10 but is slower and subject to rounding error (1.2345678 could come after 1.2345679), numeric sort is just a regular alphabetic sort that knows 10 comes after 9.
See http://www.gnu.org/software/coreutils/manual/html_node/sort-invocatio...
How to convert an NSTimeInterval (seconds) into minutes
.... Look at StratFan's answer which is closer to the truth. But remove floor and round and you should be home free.
– InvulgoSoft
Jul 17 '12 at 10:31
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How to define hash tables in Bash?
...e equivalent of Python dictionaries but in Bash (should work across OS X and Linux).
15 Answers
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What does the smiley face “:)” mean in CSS?
...
From an article at javascriptkit.com, that's applied for IE 7 and earlier versions:
if you add a non-alphanumeric character such as an asterisk (*) immediately before a property name, the property will be applied in IE and not in other browsers.
Also there's a hack for <= IE 8:...
What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
What is the difference between parseInt(string) and Number(string) in JavaScript?
6 Answers
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How to change folder with git bash?
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The command is:
cd /c/project/
Tip:
Use the pwd command to see which path you are currently in, handy when you did a right-click "Git Bash here..."
share...
How to convert Linux cron jobs to “the Amazon way”?
...s their response:
Tom
I did a quick poll of some of my colleagues and came up empty on the
cron, but after sleeping on it I realised the important step may be
limited to locking. So I looked for "distributed cron job locking"
and found a reference to Zookeeper, an Apache project.
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