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How do I use floating-point division in bash?
...2;$IMG_WIDTH/$IMG2_WIDTH") without $(( )) (double parentheses) ; which is expanded by the bash before executing command
– Nahuel Fouilleul
Oct 4 '12 at 7:32
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How to avoid isset() and empty()
I have several older applications that throw a lot of "xyz is undefined" and "undefined offset" messages when running on the E_NOTICE error level, because the existence of variables is not explicitly checked using isset() and consorts.
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What's the difference between unit, functional, acceptance, and integration tests? [closed]
...lly a method/function (e.g. given a class with a particular state, calling x method on the class should cause y to happen). Unit tests should be focussed on one particular feature (e.g., calling the pop method when the stack is empty should throw an InvalidOperationException). Everything it touche...
Getting the index of the returned max or min item using max()/min() on a list
I'm using Python's max and min functions on lists for a minimax algorithm, and I need the index of the value returned by max() or min() . In other words, I need to know which move produced the max (at a first player's turn) or min (second player) value.
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Installing vim with ruby support (+ruby)
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Some package provides vim-ruby on Ubuntu, for example vim-nox.
simply:
sudo apt-get install vim-nox;
will get you vim with ruby, as well as compiled in "support for scripting with Perl, Python, Ruby, and TCL but no GUI."
sudo apt-get install vim-rails
will install ...
How to build an android library with Android Studio and gradle?
...). The 2 app projects depend on the library project. When I do the gradle export I get 3 projects that don't work. I am open to restructuring the project but haven't found any documentation on how this should be done.
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How to add a custom right-click menu to a webpage?
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Answering your question - use contextmenu event, like below:
if (document.addEventListener) {
document.addEventListener('contextmenu', function(e) {
alert("You've tried to open context menu"); //here you draw your own menu
e.preventDefault();...
Inserting a Python datetime.datetime object into MySQL
...tetime.datetime() object into this column. What should I be using in the execute statement?
7 Answers
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Check if a variable is of function type
... answered Sep 9 '11 at 2:24
Alex GrandeAlex Grande
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Is it better to call ToList() or ToArray() in LINQ queries?
...s is usually because I need to iterate over it multiple times and it is expensive to compute. For example:
16 Answers
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