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Why must wait() always be in synchronized block
We all know that in order to invoke Object.wait() , this call must be placed in synchronized block, otherwise an IllegalMonitorStateException is thrown. But what's the reason for making this restriction? I know that wait() releases the monitor, but why do we need to explicitly acquire the mon...
Creating an R dataframe row-by-row
I would like to construct a dataframe row-by-row in R. I've done some searching, and all I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list...
In C++, is it still bad practice to return a vector from a function?
Short version: It's common to return large objects—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
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Confirm deletion in modal / dialog using Twitter Bootstrap?
I have an HTML table of rows tied to database rows. I'd like to have a "delete row" link for each row, but I would like to confirm with the user beforehand.
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Usage of forceLayout(), requestLayout() and invalidate()
I'm a bit confused about the roles of forceLayout() , requestLayout() and invalidate() methods of the View class.
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Is there a way to run Python on Android?
We are working on an S60 version and this platform has a nice Python API..
23 Answers
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How do I create a simple 'Hello World' module in Magento?
How can the following be accomplished in Magento?
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Verifying that a string contains only letters in C#
I have an input string and I want to verify that it contains:
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Everyauth vs Passport.js?
Everyauth and Passport.js seem to have very similar feature sets. What are some of the positive and negative comparisons between the two that would make me want to use one over the other?
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What does the ^ operator do in Java?
What function does the ^ (caret) operator serve in Java?
17 Answers
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