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How to check if a particular service is running on Ubuntu
...services by running the following command:
service --status-all
On the list the + indicates the service is running, - indicates service is not running, ? indicates the service state cannot be determined.
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How to really read text file from classpath in Java
I am trying to read a text file which is set in CLASSPATH system variable. Not a user variable.
18 Answers
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Checking for a dirty index or untracked files with Git
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Great timing! I wrote a blog post about exactly this a few days ago, when I figured out how to add git status information to my prompt.
Here's what I do:
For dirty status:
# Returns "*" if the current git branch is dirty.
function evil_git_dirty {
[[ $(git diff --short...
How do I change the title of the “back” button on a Navigation Bar
Currently the left bar button default value is the title of the view that loaded the current one, in other words the view to be shown when the button is pressed (back button).
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What's the difference between EscapeUriString and EscapeDataString?
If only deal with url encoding, I should use EscapeUriString ?
5 Answers
5
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Regular Expression: Any character that is NOT a letter or number
...ng to figure out the regular expression that will match any character that is not a letter or a number. So characters such as (,,@,£,() etc ...
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What is the maven-shade-plugin used for, and why would you want to relocate Java packages?
...ore (and I'm a Maven n00b) so I tried to understand the reason for using this and what it does.
4 Answers
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Android Spanned, SpannedString, Spannable, SpannableString and CharSequence
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What is the purpose of these interfaces?
CharSequence is a standard Java interface representing a sequence of characters. String is the most commonly-used concrete implementation of CharSequence, followed by StringBuilder.
Spa...
How can I make an “are you sure” prompt in a Windows batchfile?
...g a bunch of files from one place to the other and back for me. Only thing is as much as it helps me I keep accidentally selecting that command off my command buffer and mass overwriting uncommited changes.
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How to get number of entries in a Lua table?
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You already have the solution in the question -- the only way is to iterate the whole table with pairs(..).
function tablelength(T)
local count = 0
for _ in pairs(T) do count = count + 1 end
return count
end
Also, notice that the "#" operator's definition is a bit more complica...