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How to check if UILabel is truncated?
...a UILabel that can be varying lengths depending on whether or not my app is running in portrait or landscape mode on an iPhone or iPad. When the text is too long to show on one line and it truncates I want the user to be able to press it and get a popup of the full text.
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Is it Pythonic to use list comprehensions for just side effects?
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It is very anti-Pythonic to do so, and any seasoned Pythonista will give you hell over it. The intermediate list is thrown away after it is created, and it could potentially be very, very large, and therefore expensive to create...
Initializing a static std::map in C++
What is the right way of initializing a static map? Do we need a static function that will initialize it?
11 Answers
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Reading a plain text file in Java
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ASCII is a TEXT file so you would use Readers for reading. Java also supports reading from a binary file using InputStreams. If the files being read are huge then you would want to use a BufferedReader on top of a FileReader to imp...
Why do I have to access template base class members through the this pointer?
... in the derived class. However, with the code below, I have to use this->x . Why?
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How to prevent SIGPIPEs (or handle them properly)
...a simple command and, depending on the command, sends a reply. The problem is that the client may have no interest in the answer sometimes and exits early, so writing to that socket will cause a SIGPIPE and make my server crash. What's the best practice to prevent the crash here? Is there a way to c...
What happens if a finally block throws an exception?
...r finally block will not be completed beyond the point where the exception is thrown.
If the finally block was executing during the handling of an earlier exception then that first exception is lost.
C# 4 Language Specification § 8.9.5: If the finally block throws another exception, processin...
How to use @Nullable and @Nonnull annotations more effectively?
... method's parameters and also avoid checking invariants.
Another good tip is never returning null values, but using Null Object Pattern instead.
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How do I check if a number is positive or negative in C#?
How do I check if a number is positive or negative in C#?
17 Answers
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How to check if a file is empty in Bash?
I have a file called diff.txt. Want to check if it is empty. Did something like this but couldn't get it working.
10 Answe...