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Block comments in html.erb templates in rails
How do you comment out html mixed with ruby code?
16 Answers
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How to get multiple select box values using jQuery?
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edited Jul 10 '17 at 5:59
Michael B.
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Python to print out status bar and percentage
...at you can get from PyPI called progressbar that implements such functionality. If you don't mind adding a dependency, it's a good solution. Otherwise, go with one of the other answers.
A simple example of how to use it:
import progressbar
from time import sleep
bar = progressbar.ProgressBar(maxva...
How to check if a process is running via a batch script
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Another possibility I came up with, inspired by using grep, is:
tasklist /FI "IMAGENAME eq myapp.exe" 2>NUL | find /I /N "myapp.exe">NUL
if "%ERRORLEVEL%"=="0" echo Program is running
It doesn't need to save an extra file, so I pref...
Is there a way to access an iteration-counter in Java's for-each loop?
...son for this is that the for-each loop internally does not have a counter; it is based on the Iterable interface, i.e. it uses an Iterator to loop through the "collection" - which may not be a collection at all, and may in fact be something not at all based on indexes (such as a linked list).
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Why can't yield return appear inside a try block with a catch?
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I suspect this is a matter of practicality rather than feasibility. I suspect there are very, very few times where this restriction is actually an issue that can't be worked around - but the added complexity in the compiler would be very significant.
There are a ...
What is the difference between Strategy pattern and Dependency Injection?
... fine-grained and short-lived dependencies.
When an object is configured with a "fixed" Strategy, for example when the object is constructed, the distinction between Strategy and DI blurs. But in a DI scenario it is more unusual that the dependencies of objects change during their lifetimes, while ...
UINavigationBar custom back button without title
How can I customize the navigation back button in iOS 7 and above without title? (i.e. with the arrow only)
36 Answers
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What happens to C# Dictionary lookup if the key does not exist?
I tried checking for null but the compiler warns that this condition will never occur. What should I be looking for?
9 Ans...
Is Java's assertEquals method reliable?
I know that == has some issues when comparing two Strings . It seems that String.equals() is a better approach. Well, I'm doing JUnit testing and my inclination is to use assertEquals(str1, str2) . Is this a reliable way to assert two Strings contain the same content? I would use assertTr...