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How to host google web fonts on my own server?
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I wrote a bash script that fetches the CSS file on Google's servers with different user agents, downloads the different font formats to a local directory and writes a CSS file including them. Note that the script needs Bash version 4.x.
See https://nev...
Crontab Day of the Week syntax
...s possible to replace numbers by shortened name of days, such as MON, THU, etc:
0 - Sun Sunday
1 - Mon Monday
2 - Tue Tuesday
3 - Wed Wednesday
4 - Thu Thursday
5 - Fri Friday
6 - Sat Saturday
7 - Sun Sunday
Graphically:
┌────────── ...
T-SQL split string
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All the other methods to split string like XML, Tally table, while loop, etc.. has been blown away by this STRING_SPLIT function.
Here is an excellent article with performance comparison : Performance Surprises and Assumptions : STRING_SPLIT
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Why do we need to install gulp globally and locally?
...dencies": {
"gulp": "3.5.2"
}
"scripts": {
"test": "gulp test"
}
etc. and running with npm run test then you shouldn't need the global install at all.
Both methods are useful for getting people set up with your project since sudo isn't needed. It also means that gulp will be updated when ...
What is Inversion of Control?
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print "enter your name"
read name
print "enter your address"
read address
etc...
store in database
thereby controlling the flow of user interaction.
In a GUI program or somesuch, instead we say:
when the user types in field a, store it in NAME
when the user types in field b, store it in ADDRESS...
When should you not use virtual destructors?
...e ability for a class to perform cleanup (e.g. delete memory, close files, etc...) AND also ensures the constructors of all its members gets called.
– user48956
May 12 '11 at 0:14
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What's the difference between the Dependency Injection and Service Locator patterns?
...to have a central location for common dependencies (e.g. settings, logger, etc). Given a class using such deps, you can create a "real" constructor that receives the deps, and a default (no parameter) constructor that retrieves from the SL and forwards to the "real" constructor.
EDIT: and, of cours...
What is the difference between ports 465 and 587?
... requiring auth, different timeouts, different message modification rules, etc.) that happen to use a similar wire protocol.
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In c++ what does a tilde “~” before a function name signify?
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It's the destructor, it destroys the instance, frees up memory, etc. etc.
Here's a description from ibm.com:
Destructors are usually used to deallocate memory and do other cleanup for a class object and its class members when the object is destroyed. A destructor is called for a class o...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
In the shell you can do redirection, > < , etc., but how about AFTER a program is started?
8 Answers
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