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valueOf() vs. toString() in Javascript
In Javascript every object has a valueOf() and toString() method. I would have thought that the toString() method got invoked whenever a string conversion is called for, but apparently it is trumped by valueOf().
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Access string.xml Resource File from Java Android Code
How do you access the values in the res/values/string.xml resource file from the Android Activity class ?
5 Answers
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PHP - How to check if a string contains a specific text [duplicate]
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@Blender sorry, you're right. I was thinking of the .NET String.IndexOf which returns -1 in event of a non-match. I've corrected my answer.
– Dai
Mar 9 '13 at 1:54
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How to check whether a string contains a substring in Ruby
I have a string variable with content:
9 Answers
9
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How to show math equations in general github's markdown(not github's blog)
...portant word being "secure" there, considering your question :).
Indeed, allowing javascript to be executed would be a bit off of the MarkDown standard text-to-HTML contract.
Moreover, everything that looks like a HTML tag is either escaped or stripped out.
Tell me how to show math symbols in...
Microsoft Azure: How to create sub directory in a blob container
... is that you can search for a blob at a virtual level, by giving a partial string, up to a '/'.
These 2 things, adding a '/' to a path and a partial string for search, together create a virtual "file-system" storage.
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Objective-C: Where to remove observer for NSNotification?
...his is obviously not a satisfying answer.
I'd recommend, that you add a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unregister an observer cleanly. This will, however, only protect you against ...
MySQL “WITH” clause
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Update: MySQL 8.0 is finally getting the feature of common table expressions, including recursive CTEs.
Here's a blog announcing it: http://mysqlserverteam.com/mysql-8-0-labs-recursive-common-table-expressions-in-mysql-ctes/
Below is my earlier answ...
Force Java timezone as GMT/UTC
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tl;dr
String sql = "SELECT CURRENT_TIMESTAMP ;
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OffsetDateTime odt = myResultSet.getObject( 1 , OffsetDateTime.class ) ;
Avoid depending on host OS or JVM for default time zone
I recommend you write all your code to explicitl...
How to output MySQL query results in CSV format?
... --raw option.
This will give you a tab separated file. Since commas (or strings containing comma) are not escaped it is not straightforward to change the delimiter to comma.
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