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What are the most-used vim commands/keypresses?
...pecific line number
By marker:
mx set mark x; 'x go to mark x
'. go to position of last edit
' ' go back to last point before jump
Scrolling:
^F forward full screen; ^B backward full screen
^D down half screen; ^U up half screen
^E scroll one line up; ^Y scroll one line down
zz centre cursor l...
Copy file remotely with PowerShell
...e that your script is executable from any client system with
access to those UNC paths. If you use local filesystem paths, then you
are cornering yourself into running the script on a specific computer.
This only works when a PowerShell session runs under the user who has rights to both admini...
Can't create handler inside thread that has not called Looper.prepare()
...e calling it from a worker thread. You need to call Toast.makeText() (and most other functions dealing with the UI) from within the main thread. You could use a handler, for example.
Look up Communicating with the UI Thread in the documentation. In a nutshell:
// Set this up in the UI thread.
mHa...
AtomicInteger lazySet vs. set
...GCable. In such
cases, you can get better performance by avoiding
the costs of the null volatile-write. There are a few
other use cases along these lines for non-reference-based
atomics as well, so the method is supported across all of the
AtomicX classes.
For people who like to think...
Fastest way to remove first char in a String
...k to understand than the third - I would view the Substring option as the most common and readable.
(Obviously each of them as an individual statement won't do anything useful - you'll need to assign the result to a variable, possibly data itself.)
I wouldn't take performance into consideration he...
printf() formatting for hex
...t question, but why when printing hex as an 8 digit number with leading zeros, does this %#08X Not display the same result as 0x%08X ?
...
Disable browser's back button
How to disable browser's BACK Button (across browsers)?
20 Answers
20
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How to remove jar file from local maven repository which was added with install:install-file?
...cute to do this, it's easier to just delete the files manually from the repository.
Like this on windows Documents and Settings\your username\.m2 or $HOME/.m2 on Linux
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How to use NSCache
...ory pressure (i.e. it's caching too many values) it will release some of those values to make room.
If you can recreate those values at runtime (by downloading from the Internet, by doing calculations, whatever) then NSCache may suit your needs. If the data cannot be recreated (e.g. it's user input...
Creating temporary files in bash
...
It seems the most safe and most cross-platform way to use mktemp is in combination with basename, like so mktemp -dt "$(basename $0). XXXXXXXXXX". If used without basename you might get an error like this mktemp: invalid template, `/tmp/MO...