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Check if a key exists inside a json object
...eloper.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/in
http://www.w3schools.com/jsref/jsref_operators.asp
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What are the downsides to using Dependency Injection? [closed]
...ks
http://thedailywtf.com/Articles/The_Inner-Platform_Effect.aspx
http://www.joelonsoftware.com/articles/fog0000000018.html
Probably the simplest form of dependency injection (don't laugh) is a parameter. The dependent code is dependent on data, and that data is injected in by the means of pass...
Regex empty string or email
...a|jobs|museum)$)
see more about the email matching regex itself:
http://www.regular-expressions.info/email.html
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Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
...inflate method work and gives examples of ListView and AlertDialog
http://www.doubleencore.com/2013/05/layout-inflation-as-intended/
Update #1.
This answer recently helped me, too.
https://stackoverflow.com/a/5027921/1065835
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What is a Manifest in Scala and when do you need it?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
comparing 2 strings alphabetically for sorting purposes
...ocaleCompare("b") should actually return -1 since a sorts before b
http://www.w3schools.com/jsref/jsref_localecompare.asp
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“:” (colon) in C struct - what does it mean? [duplicate]
... values - in my specific situation pointers to functions.
Source: http://www.tldp.org/LDP/lkmpg/2.4/html/c577.htm
Below is a sample and an excerpt to explain.
"There is a gcc extension that makes assigning to this structure more convenient. You'll see it in modern drivers, and may catch you by s...
Why there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT clause?
... been lifted in recent versions of MySQL:
Changes in MySQL 5.6.5 (2012-04-10, Milestone 8)
Previously, at most one TIMESTAMP column per table could be
automatically initialized or updated to the current date and time.
This restriction has been lifted. Any TIMESTAMP column definition ca...
How to get highcharts dates in the x axis?
... the x-axis for Highcharts? Can't find it in their documentation: http://www.highcharts.com/ref/#xAxis--type
3 Answers
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What is the most efficient way to store tags in a database?
...tle:text[]
For more info, see this excellent post by Josh Berkus:
http://www.databasesoup.com/2015/01/tag-all-things.html
There are more various options compared thoroughly for performance and the one suggested above is the best overall.
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