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How can mixed data types (int, float, char, etc) be stored in an array?
...re. But consider that this definition is likely to be isolated to a single file. But we've eliminated the noise of specifiying the intermediate .val. before you get to the data.
record i;
i.tag = INT;
i.int_.val = 12;
record r;
r.tag = REAL;
r.real_.val = 57.0;
Instead, it goes at the end, where...
How do I run a node.js app as a background service?
...ger necessary - your OS already handles these tasks.
Make a myapp.service file (replacing 'myapp' with your app's name, obviously):
[Unit]
Description=My app
[Service]
ExecStart=/var/www/myapp/app.js
Restart=always
User=nobody
# Note Debian/Ubuntu uses 'nogroup', RHEL/Fedora uses 'nobody'
Group=n...
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
...t have any swap enabled. To add a 1GB swap:
$sudo dd if=/dev/zero of=/swapfile bs=1024 count=1024k
$sudo mkswap /swapfile
$sudo swapon /swapfile
Add the following line to the fstab to make the swap permanent.
$sudo vim /etc/fstab
/swapfile none swap sw 0 0
Source ...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...etail:
Point 1:
etags and ctags both generate an index (a.k.a. tag/TAGS) file of language objects found in source files that allows these items to be quickly and easily located by a text editor or other utility. A tag signifies a language object for which an index entry is available (or, alternati...
Trim trailing spaces in Xcode
Is there a way to force Xcode to trim trailing whitespaces when I save file?
7 Answers
...
Enable remote MySQL connection: ERROR 1045 (28000): Access denied for user
...s:
From /etc/mysql/my.cnf
In newer versions of mysql the location of the file is
/etc/mysql/mysql.conf.d/mysqld.cnf
# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
#bind-address = 127.0.0.1
(comment this li...
Using SASS with ASP.NET [closed]
...ckage in an ASP.NET environment. Ideally, I would like compilation of SASS files into CSS to be a seamless part of the build process.
...
What is InputStream & Output Stream? Why and when do we use them?
...is to abstract different ways to input and output: whether the stream is a file, a web page, or the screen shouldn't matter. All that matters is that you receive information from the stream (or send information into that stream.)
InputStream is used for many things that you read from.
OutputStrea...
How do you get the list of targets in a makefile?
...o does away with the unnecessary sh -c)
does not invariably target the makefile in the current directory; respects makefiles explicitly specified with -f <file>
excludes hidden targets - by convention, these are targets whose name starts neither with a letter nor a digit
makes do with a single...
If Python is interpreted, what are .pyc files?
...anguage...
However, when I look at my Python source code I see .pyc files, which Windows identifies as "Compiled Python Files".
...