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What is Double Brace initialization in Java?
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Every time someone uses double brace initialisation, a kitten gets killed.
Apart from the syntax being rather unusual and not really idiomatic (taste is debatable, of course), you are unnecessarily creating two significant problems in your...
Most pythonic way to delete a file which may not exist
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+1 because I can't +2. Besides being more Pythonic, this one is actually correct, while the original is not, for the reason kindall suggested. Race conditions like that lead to security holes, hard-to-repro bugs, etc.
– abarnert
May 31 '12 at ...
What's the best way to develop a sideswipe menu like the one in Facebook's new iOS app?
...ore common interface element as more information gets crammed into each iPhone app. Facebook has included it in their latest version and the new Gmail app appears to include it as well . I was wondering if anybody had thoughts on the most efficient way of developing something like this as it's be...
Android “Only the original thread that created a view hierarchy can touch its views.”
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One brief comment on this. I had a separate thread that was trying to modify the UI, and the above code worked, but I had call runOnUiThread from the Activity object. I had to do something like myActivityObject.runOnUiThrea...
Add timestamps to an existing table
... @M.Habib I don't think so, but this answer encapsulates it all in one migration nicely.
– littleforest
Apr 30 '18 at 14:36
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What's wrong with nullable columns in composite primary keys?
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Primary keys are for uniquely identifying rows. This is done by comparing all parts of a key to the input.
Per definition, NULL cannot be part of a successful comparison. Even a comparison to itself (NULL = NULL) will fail. This means a key containing NULL would not work.
Addito...
How would you count occurrences of a string (actually a char) within a string?
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If you're using .NET 3.5 you can do this in a one-liner with LINQ:
int count = source.Count(f => f == '/');
If you don't want to use LINQ you can do it with:
int count = source.Split('/').Length - 1;
You might be surprised to learn that your original technique...
Is it possible to update a localized storyboard's strings?
... For me Option 1 replaced all already translated strings with English ones. I had to add the translation once again.
– Mihail Velikov
Mar 4 '15 at 9:24
5
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PreparedStatement with list of parameters in a IN clause [duplicate]
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You could use setArray method as mentioned in the javadoc below:
http://docs.oracle.com/javase/6/docs/api/java/sql/PreparedStatement.html#setArray(int, java.sql.Array)
Code:
PreparedStatement statement = connection.prepareStatement("Select * from test where f...
How do I pull from a Git repository through an HTTP proxy?
...out using submodules within a project, the same applies to a normal git clone of a repository over HTTP.
28 Answers
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