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What is the most frequent concurrency issue you've encountered in Java? [closed]
...in Swing. I'm interested both in a breadth of possible issues but also in what issues are most common. So, please leave one specific answer of a Java concurrency bug per comment and vote up if you see one you've encountered.
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Check if the number is integer
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What's wrong with as.integer(x) == x? It will not reject 3 or 3.0 like is.integer(x) would, and it will catch 3.1.
– Gabi
Oct 1 '15 at 19:04
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What is the difference between a var and val definition in Scala?
What is the difference between a var and val definition in Scala and why does the language need both? Why would you choose a val over a var and vice versa?
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Check if database exists in PostgreSQL using shell
...turo's solution:
psql -lqt | cut -d \| -f 1 | grep -qw <db_name>
What it does
psql -l outputs something like the following:
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+---------...
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
In the following method definitions, what does the * and ** do for param2 ?
22 Answers
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Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8
...ring" with stuff just when users are starting to get used to them. Look at what they did to Windows XP... "Fixing what's not broken", some people would say. Anyway that sucks
– Rolf
Nov 29 '13 at 6:24
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How do I check if a string is a number (float)?
What is the best possible way to check if a string can be represented as a number in Python?
33 Answers
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Vertically align text to top within a UILabel
...nging the label's frame. I've made my labels orange so you can see clearly what's happening.
Here's the quick and easy way to do this:
[myLabel sizeToFit];
If you have a label with longer text that will make more than one line, set numberOfLines to 0 (zero here means an unlimited number ...
What is boilerplate code?
...ange in any document that was used
repeatedly for different occasions.
What constitutes boilerplate in programming? As may others have pointed out, it
is just a chunk of code that is copied over and over again with little or
no changes made to it in the process.
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What are the advantages of Sublime Text over Notepad++ and vice-versa? [closed]
...t looked back. The real question for me has been - Sublime Text 2 or vim?
What's good on Notepad++ side - it loads much faster on Windows for me. Maybe it will be good enough for you for quick editing. But, again, Sublime Text 3 is supposed to be faster on this front too. Sublime text 2 is not real...