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How do you specify that a class property is an integer?
I'm experimenting with TypeScript, and in the process of creating a class with an "ID" field that should be an integer, I have gotten a little confused.
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Counting the number of elements with the values of x in a vector
... x creates a logical vector which is TRUE at every location that x occurs, and when suming, the logical vector is coerced to numeric which converts TRUE to 1 and FALSE to 0.
However, note that for floating point numbers it's better to use something like: sum(abs(numbers - x) < 1e-6).
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Export specific rows from a PostgreSQL table as INSERT SQL script
I have a database schema named: nyummy and a table named cimory :
9 Answers
9
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Check if a string contains an element from a list (of strings)
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With LINQ, and using C# (I don't know VB much these days):
bool b = listOfStrings.Any(s=>myString.Contains(s));
or (shorter and more efficient, but arguably less clear):
bool b = listOfStrings.Any(myString.Contains);
If you wer...
What is the difference between Class and Klass in ruby?
What is the difference between Class and Klass?
4 Answers
4
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Deploy a project using Git push
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I found this script on this site and it seems to work quite well.
Copy over your .git directory to your web server
On your local copy, modify your .git/config file and add your web server as a remote:
[remote "production"]
url = username@webserver:/pa...
Comparing Haskell's Snap and Yesod web frameworks
The two Haskell web frameworks in the news recently are Yesod (at 0.8) and Snap (at 0.4).
4 Answers
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Why does SIGPIPE exist?
From my understanding, SIGPIPE can only occur as the result of a write() , which can (and does) return -1 and set errno to EPIPE ... So why do we have the extra overhead of a signal? Every time I work with pipes I ignore SIGPIPE and have never felt any pain as a result, am I missing somethin...
How to get existing fragments when using FragmentPagerAdapter
...entPagerAdapter , as a helper class that implements the management of tabs and all details of connecting a ViewPager with associated TabHost . I have implemented FragmentPagerAdapter just as same as it is provided by the Android sample project Support4Demos .
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Quickly create large file on a Windows system
...m. By large I'm thinking 5 GB. The content doesn't matter. A built-in command or short batch file would be preferable, but I'll accept an application if there are no other easy ways.
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