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Maven Install on Mac OS X
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209
OS X prior to Mavericks (10.9) actually comes with Maven 3 built in.
If you're on OS X Lion...
When do we need curly braces around shell variables?
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@karatedog ${1:-20} is a form of parameter expansion. Here it is not obvious because it mainly uses digits and arithmetic operators which trick us in thinking there is arithmetic involved, but it actually refers to the positional parameter $...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...EXIT or 0, trapping specific signals is superfluous) in those scripts.
In 2009 I released my lockable script boilerplate (originally available at my wiki page, nowadays available as gist). Transforming that into one-instance-per-user is trivial. Using it you can also easily write scripts for other ...
How can I perform a reverse string search in Excel without using VBA?
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208
This one is tested and does work (based on Brad's original post):
=RIGHT(A1,LEN(A1)-FIND("|",...
Python function attributes - uses and abuses [closed]
...y the most legit use of function attributes of all the answers (as of Nov, 2012). Most (if not all) the other answers use function attributes as a replacement for global variables; however, they do NOT get rid of global state, which is exactly the problem with global variables. This is different, be...
Get yesterday's date in bash on Linux, DST-safe
... can be today or the day before yesterday.
You are sure that yesterday is 20 or 30 hours ago. Which one? Well, the most recent one that is not today.
echo -e "$(TZ=GMT+30 date +%Y-%m-%d)\n$(TZ=GMT+20 date +%Y-%m-%d)" | grep -v $(date +%Y-%m-%d) | tail -1
The -e parameter used in the echo command...
Meaning of Android Studio error: Not annotated parameter overrides @NonNull parameter
...ter code.
– John Pang
Mar 27 '15 at 20:07
1
@JohnPang You could, but since the restriction implie...
Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
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arshajiiarshajii
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12
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Why is the shovel operator (
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answered Jan 13 '11 at 20:59
Nemo157Nemo157
3,3691515 silver badges2727 bronze badges
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Is there a download function in jsFiddle?
...oming soon
– corbacho
Feb 13 '13 at 20:30
4
In 2015, after going to /show, save the complete page...