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Save bitmap to location
...ressFormat.PNG, 100, out); // bmp is your Bitmap instance
// PNG is a lossless format, the compression factor (100) is ignored
} catch (IOException e) {
e.printStackTrace();
}
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impro...
What's the best three-way merge tool? [closed]
...
KDiff3
open source, cross platform
Same interface for Linux and Windows, very smart algorithm for solving conflicts, regular expressions for automatically solving conflicts, integrate with ClearCase, SVN, Git, MS Visual Studio, editable merged fi...
Android emulator: How to monitor network traffic?
.../tail the file as it's written. Or you can capture network traffic on the host machine, rather than on the emulator.
– Christopher Orr
Sep 22 '16 at 10:38
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set gvim font in .vimrc file
... following (Uses Consolas size 11 on Windows, Menlo Regular size 14 on Mac OS X and Inconsolata size 12 everywhere else):
if has("gui_running")
if has("gui_gtk2")
set guifont=Inconsolata\ 12
elseif has("gui_macvim")
set guifont=Menlo\ Regular:h14
elseif has("gui_win32")
set guifon...
How can I read command line parameters from an R script?
...n RScript and Rterm:
Rscript has simpler syntax
Rscript automatically chooses architecture on x64 (see R Installation and Administration, 2.6 Sub-architectures for details)
Rscript needs options(echo=TRUE) in the .R file if you want to write the commands to the output file
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Meaning of tilde in Linux bash (not home directory)
...sh feature called "tilde expansion". It's a function of the shell, not the OS. You'll get different behavior with csh, for example.
To answer your question about where the information comes from: your home directory comes from the variable $HOME (no matter what you store there), while other user's h...
Find and Replace text in the entire table using a MySQL query
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Just a reminder that in OS X, the sed -i command may throw out unterminated substitute pattern error. You can use sed -i '' -e 's/oldString/newString/g' ./db.sql instead.
– afterglowlee
Jan 31 '17 at 22:05
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Converting pixels to dp
...plication with the height and width given in pixels for a Pantech device whose resolution is 480x800 .
34 Answers
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mongo - couldn't connect to server 127.0.0.1:27017
... talk to the mongod server.
This could be because the address was wrong (host or IP) or that it was not running. One thing to note is the log trace provided does not cover the "Fri Nov 9 16:44:06" of your mongo timestamp.
Can you:
Provide the command line arguments (if any) used to start your
m...
How do I change the number of open files limit in Linux? [closed]
...ot from /etc/system.
set rlim_fd_max = 166384
set rlim_fd_cur = 8192
On OS X, this same data must be set in /etc/sysctl.conf.
kern.maxfilesperproc=166384
kern.maxfiles=8192
Under Linux, these settings are often in /etc/security/limits.conf.
There are two kinds of limits:
soft limits are sim...