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Test for existence of nested JavaScript object key
...th Claudiu's modification which is also significantly more performant than selected answer. See jsperf here jsperf.com/check-if-deep-property-exists-with-willnotthrow
– netpoetica
Nov 27 '14 at 5:35
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Detect the Enter key in a text input field
...re for for legacy browsers support)
// keyup is not compatible with Jquery select(), Keydown is.
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List distinct values in a vector in R
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You can also use the sqldf package in R.
Z <- sqldf('SELECT DISTINCT tablename.columnname FROM tablename ')
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What are Aggregates and PODs and how/why are they special?
...ns (10.3) and no virtual base classes (10.1), and
— the constructor selected to copy/move each direct base class subobject is trivial, and
— for each non-static data member of X that is of class type (or array thereof), the constructor
selected to copy/move that member is trivial;
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WatiN or Selenium? [closed]
...le: at first blush it would appear that there is no native support for CSS selectors. Especially since there are extensions libraries like 'WatiNCssSelectorExtensions' and many blog articles about alternative techniques (such as injecting jQuery/sizzle into the page). On Stack Overflow, I found a co...
How do I escape a percentage sign in T-SQL?
... '!' (or your character of choice) to the end of the query.
For example:
SELECT *
FROM prices
WHERE discount LIKE '%80!% off%'
ESCAPE '!'
This will make the database treat 80% as an actual part of the string to search for and not 80(wildcard).
MSDN Docs for LIKE
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module unsafe for SAFESEH image C++
... did not try rolling my own asm exception handler).
What did work was to select build target Release/x64.
I am running Windows 10 on a 64-bit machine, and using Visual Studio 2015.
The target Release/Win32 works, too. I guess the main thing is to pick "Release".
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...y the System Preferences Java Control Panel doesn't just present a list to select from, rather than have to resort to shell scripts/commands. I suspect this is just for Applets that run in the browser...
– JGFMK
Aug 14 '14 at 17:56
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Undo git reset --hard with uncommitted files in the staging area
... solution. In case of PHPstorm I just had to right click the directory and select show local history and then revert to the last valid state.
– Shalom Sam
Sep 22 '14 at 4:44
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How to use the ProGuard in Android Studio?
...efined_buildtype) under module tasks
Go to Build Variant in Left Panel and select the build from drop down
Go to project root directory in File Explorer and open cmd/terminal and run
Linux ./gradlew assembleRelease or assemble(#your_defined_buildtype)
Windows gradlew assembleRelease or assemb...