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Matching a space in regex
...those examples).
These will work in every* regex engine I've ever seen (some of which don't even have the one-or-more "+" character, ugh).
If you know you'll be using one of the more modern regex engines, "\s" and its variations are the way to go. In addition, I believe word boundaries match start...
Diff files present in two different directories
I have two directories with the same list of files. I need to compare all the files present in both the directories using the diff command. Is there a simple command line option to do it, or do I have to write a shell script to get the file listing and then iterate through them?
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Is there an easy way to strike through text in an app widget?
...otes, it perfectly answers the question. Thanks.
– James Cross
Jan 4 '15 at 21:26
1
First it is u...
PadLeft function in T-SQL
...tax on the 2nd example. I'm not sure if that works 100% - it may require some tweaking - but it conveys the general idea of how to obtain your desired output.
EDIT
To address concerns listed in the comments...
@pkr298 - Yes STR does only work on numbers... The OP's field is an ID... hence number...
Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby
....rubyonrails.org/classes/ActionView/Helpers/DateHelper.html
distance_of_time_in_words(3600)
=> "about 1 hour"
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How to build sources jar with gradle
... the class. Gradle looks at the inputs for a task, determines where they came from, and automatically creates a dependency. e.g. javadocJar pulls files from javadoc, therefore Gradle will add the dependsOn javadoc automatically.
– Mikezx6r
Oct 25 '13 at 12:06
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Signtool error: No certificates were found that met all given criteria with a Windows Store App?
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What do you mean "install the certificate"?
– Sean Kendle
Mar 15 '16 at 21:50
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Shuffle an array with python, randomize array item order with python
...Charlie That would be a good thing to ask in a separate question. (Maybe someone else has already asked it.)
– David Z
Mar 29 '17 at 18:17
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Convert character to ASCII numeric value in java
I have String name = "admin";
then I do String charValue = name.substring(0,1); //charValue="a"
22 Answers
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YYYY-MM-DD format date in shell script
...date
# -1 -> explicit current date, bash >=4.3 defaults to current time if not provided
# -2 -> start time for shell
printf -v date '%(%Y-%m-%d)T\n' -1
# put current date as yyyy-mm-dd HH:MM:SS in $date
printf -v date '%(%Y-%m-%d %H:%M:%S)T\n' -1
# to print directly remove -v flag, as s...