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Match whitespace but not newlines
...de does not consider it whitespace. For that reason, Perl \h differs from POSIX blank ([[:blank:]] in Perl, \p{Blank} in Java) and Java 8 \h. Admittedly, it's an edge case.
– Aleksandr Dubinsky
Feb 3 '16 at 18:07
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windows service vs scheduled task
What are the cons and pros of windows services vs scheduled tasks for running a program repeatedly (e.g. every two minutes)?
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Copying files from host to Docker container
...nce: Docker CLI docs for cp
In Docker versions prior to 1.8 it was only possible to copy files from a container to the host. Not from the host to a container.
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convert_tz returns null
...NVERT_TZ('2004-01-01 12:00:00','UTC','MET') AS time
It turns out that on OS X there are two files that cause problems: /usr/share/zoneinfo/Factory and /usr/share/zoneinfo/+VERSION.
The fix... temporarily moving these files to a different location such as /usr/share/zoneinfo/.bak/ allows for the ...
How to copy text from Emacs to another application on Linux
... to M-w).
A system copy is what you typically get from pressing C-c (or choosing "Edit->Copy" in a application window).
An X copy is "physically" highlighting text with the mouse cursor.
An Emacs paste is the command yank (usually bound to C-y).
A system paste is what you typically get from press...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...ption sluggish or unreliable, and sometimes I have to restart the kernel, losing everything in memory.
5 Answers
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brew update: The following untracked working tree files would be overwritten by merge:
...d to run brew update and I get an error about my local changes would be lost if I merged. I tried committing my local changes (don't remember making any, but it's been awhile), and that made things worse.
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'\r': command not found - .bashrc / .bash_profile [duplicate]
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When all else fails in Cygwin...
Try running the dos2unix command on the file in question.
It might help when you see error messages like this:
-bash: '\r': command not found
Windows style newline characters can cause issues in Cygwin.
The dos2unix command modifies newl...
Android static object lifecycle
...h a bit of background: What happens when you start an application?
The OS starts a process and assigns it a unique process id and allocates a process table.A process start an instance of DVM(Dalvik VM); Each application runs inside a DVM.
A DVM manages class loading unloading, instance lifecycle...
C++ IDE for Linux? [closed]
...irst thing I did was try to find a reasonable IDE. At the time this was impossible: no good IDE existed.
Epiphany: UNIX is an IDE. All of it.1
And then I realised that the IDE in Linux is the command line with its tools:
First you set up your shell
Bash, in my case, but many people prefer
fish...