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In JavaScript, is returning out of a switch statement considered a better practice than using break?
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@Mark Costello's answer made me thank a bit more about your question. I think you're looking for a general "best practice" guideline, but in the specific example you gave, the best practice is return {1:"One",2:"Two,3:"Three"}[opt];. If you need the default then it wo...
Where do you store your salt strings?
I've always used a proper per-entry salt string when hashing passwords for database storage. For my needs, storing the salt in the DB next to the hashed password has always worked fine.
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How to use JUnit to test asynchronous processes
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IMHO it's bad practice to have unit tests create or wait on threads, etc. You'd like these tests to run in split seconds. That's why I'd like to propose a 2-step approach to testing async processes.
Test that your async process is submitted properly. You can mock the obje...
Why is there no Convert.toFloat() method?
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There is - but it's called Convert.ToSingle(). float is a C# alias for the System.Single type.
"Single" is the name for a float in the BCL. "float" is an alias provided by C#. There's a Convert.ToSingle() method, just like there's
Convert.ToInt32() instead of Convert.ToInt().
See this threa...
Capturing Groups From a Grep RegEx
...t even have to use grep:
files="*.jpg"
regex="[0-9]+_([a-z]+)_[0-9a-z]*"
for f in $files # unquoted in order to allow the glob to expand
do
if [[ $f =~ $regex ]]
then
name="${BASH_REMATCH[1]}"
echo "${name}.jpg" # concatenate strings
name="${name}.jpg" # sam...
What does it mean when git says a file “needs update”?
I can't for the life of me find any decent explanation of the "[file]: needs update" message that git sometimes spits out from time to time. Even the official git FAQ has explaining this marked as a TODO. If someone could explain A) what it means; and B) how to fix it, I would be extremely gratefu...
I want to execute shell commands from Maven's pom.xml
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Here's what's been working for me:
<plugin>
<artifactId>exec-maven-plugin</artifactId>
<groupId>org.codehaus.mojo</groupId>
<executions>
<execution><!-- Run our version calculation script -...
Why cast unused return values to void?
Is there any reason for casting an unused return value to void, or am I right in thinking it's a complete waste of time?
9 ...
Drop unused factor levels in a subsetted data frame
I have a data frame containing a factor . When I create a subset of this dataframe using subset or another indexing function, a new data frame is created. However, the factor variable retains all of its original levels, even when/if they do not exist in the new dataframe.
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console.log javascript [Function]
...will not be a window at all and console.log can always be expected. nodejs.org/api/stdio.html
– foiseworth
Apr 23 '14 at 19:42
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