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Ruby, !! operator (a/k/a the double-bang) [duplicate]
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In most programming languages, including Ruby, ! will return the opposite of the boolean value of the operand. So when you chain two exclamation marks together, it converts the value to a boolean.
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MySQLDump one INSERT statement for each data row
...eds up inserts when the file is reloaded.
--opt
This option, enabled by default, is shorthand for the combination of --add-drop-table --add-locks --create-options --disable-keys --extended-insert --lock-tables --quick --set-charset. It gives a fast dump operation and produces a dump file that ...
What is the difference between and ? [duplicate]
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In case somebody else is confused by this answer: <jsp:include is dynamic (JspRuntimeLibrary), <%@include is static (out.write).
– eis
Oct 18 '13 at 6:56
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What does git push -u mean?
...inting out that the branch which is pushed to with git push isn't affected by the upstream branch configuration unless you have push.default set to tracking (or upstream in later versions of git).
– Mark Longair
Apr 22 '11 at 11:59
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How add “or” in switch statements?
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By stacking each switch case, you achieve the OR condition.
switch(myvar)
{
case 2:
case 5:
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break;
case 7:
case 12:
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break;
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}
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Practicing BDD with python [closed]
...ven Development? Especially finding similar tools as rspec and mocha for ruby would be great.
10 Answers
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Default height for section header in UITableView
...aticDimension returns -1 (hardcoded const) and I don't see any sections at all in my UITableView.
– skywinder
Sep 22 '13 at 21:17
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Adding hours to JavaScript Date object?
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Ran into issues with this solution - Incrementing by 1 failed for me at DST changeover point (move clock forward an hour).
– andrewb
Oct 2 '15 at 2:09
2
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CATALINA_OPTS vs JAVA_OPTS - What is the difference?
...use CATALINA_OPTS. So if you're setting environment variables for use only by Tomcat, you'll be best advised to use CATALINA_OPTS, whereas if you're setting environment variables to be used by other java applications as well, such as by JBoss, you should put your settings in JAVA_OPTS.
Source: CATA...
Android Google Maps v2 - set zoom level for myLocation
...default myLocation Marker. However, if you would like the app to automatically zoom in on your location once it is found, I would check out my answer to this question
Note that the answer I provided does not zoom in, but if you modify the onLocationChanged method to be like the one below, you can ...