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Implementing comparison operators via 'tuple' and 'tie', a good idea?
...nts, I sometimes tend to choose a std::pair , as all important stuff is already done for that datatype, like operator< for strict-weak-ordering.
The downsides though are the pretty much useless variable names. Even if I myself created that typedef , I won't remember 2 days later what first...
How do I use extern to share variables between source files?
...ou're not an experienced C programmer, you could (and perhaps
should) stop reading here.
Not so good way to define global variables
With some (indeed, many) C compilers, you can get away with what's
called a 'common' definition of a variable too.
'Common', here, refers to a technique used in Fortra...
How do I get logs/details of ansible-playbook module executions?
...Using callback plugins, you can have the stdout of your commands output in readable form with the play:
gist: human_log.py
Edit for example output:
_____________________________________
< TASK: common | install apt packages >
-------------------------------------
\ ^__^
...
ReactJS Two components communicating
...mit to manage the state outside of React, and let multiple components have read/write access to the same part of the state, without needing to know anything about the component tree.
Many implementations exists, including ImmutableJS, React-cursors and Omniscient
Edit 2016: it seems that people ag...
Type of conditional expression cannot be determined because there is no implicit conversion between
...way is obviously:
int? number = true ? 5 : (int?)null;
but now we have to read a different clause in the spec to understand why this is okay:
If x has type X and y has type Y then
If an implicit conversion (§6.1) exists from X to Y, but not from Y to X, then Y is the type of the conditional expr...
Sequelize.js: how to use migrations and sync
I'm close to having my project ready to launch. I have big plans for after launch and the database structure is going to change -- new columns in existing tables as well as new tables, and new associations to existing and new models.
...
Are custom elements valid HTML5?
...
I also read that part of the spec, and it really confused me. Here's why: 1) custom attributes are permitted in HTML5. This confirms Alochi's circular argument observation. 2) Nowhere does the spec say that custom elements are not ...
Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
... This didn't work for me because the listed "missing" merges had already been done in the branch (reintegrate source).
– Sam
Aug 19 '14 at 2:55
6
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Get the IP address of the machine
...erform ioctl(<socketfd>, SIOCGIFCONF, (struct ifconf)&buffer);
Read /usr/include/linux/if.h for information on the ifconf and ifreq structures. This should give you the IP address of each interface on the system. Also read /usr/include/linux/sockios.h for additional ioctls.
...
Maintain git repo inside another git repo
...riticize your answer, I was rushing writing pretty much the same when I re-read the OP's question ;)
– VonC
Jan 11 '11 at 16:06
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