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How to find where gem files are installed
I can finds gems that are installed using gem list , but it doesn't show me where the gems are installed.
10 Answers
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Hide div after a few seconds
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This is better beacause I don't have to use setTimeoutand code is easier to read.
– Marek Bar
Oct 7 '12 at 15:58
add a comment...
What is the worst gotcha in C# or .NET? [closed]
...n their own assembly, and some types like System.String, but not System.Windows.Forms.Form. The answer is that it only looks in the current assembly and in mscorlib.
Anonymous methods
C# 2.0 introduced anonymous methods, leading to nasty situations like this:
using System;
using System.Threadin...
calculating the difference in months between two dates
...nth is a variable unit of measure into account, it seems that most of them do; they just don't use your particular approximation. Case in point, the very first sentence in my answer indicates that it's variable. Any answer, yours included, is an approximation, simply because it is not a precise answ...
Wrapping chained method calls on a separate line in Eclipse for Java
...nting Deepak Azad's answer, what you exactly need is the following:
Windows: Window → Preferences → Java → Code Style
→ Formatter → Edit → Line wrapping (tab)
Mac OS: ADT → Preferences → Java → Code Style
→ Formatter → Edit → Line wrapping (tab)
Then, in the ...
Test if a class has an attribute?
I'm trying to do a little Test-First development, and I'm trying to verify that my classes are marked with an attribute:
4 ...
Escaping a forward slash in a regular expression
My question is a simple one, and it is about regular expression escaping. Do you have to escape a forward slash / in a regular expression? And how would you go about doing it?
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String concatenation vs. string substitution in Python
...;> import timeit
>>> def so_q_sub(n):
... return "%s%s/%d" % (DOMAIN, QUESTIONS, n)
...
>>> so_q_sub(1000)
'http://stackoverflow.com/questions/1000'
>>> def so_q_cat(n):
... return DOMAIN + QUESTIONS + '/' + str(n)
...
>>> so_q_cat(1000)
'http://stackoverflow...
Measuring code execution time
... Stopwatch, instead of DateTime differences.
Stopwatch Class - Microsoft Docs
Provides a set of methods and properties that you can use to
accurately measure elapsed time.
Stopwatch stopwatch = Stopwatch.StartNew(); //creates and start the instance of Stopwatch
//your sample code
System.Th...
How to select a radio button by default? [duplicate]
...f them to be set as selected by default when the page is loaded. How can I do that?
5 Answers
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