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Simple logical operators in Bash
...ssions with more quirks (but older and more portable). Don't write any for now; start worrying about them when you find scripts that contain them.
This is the idiomatic way to write your test in bash:
if [[ $varA == 1 && ($varB == "t1" || $varC == "t2") ]]; then
If you need portability ...
Output array to CSV in Ruby
...file using CSV.table, did some manipulations, got rid of some columns, and now I want to spool the resulting Array of Hashes out again as CSV (really tab-delimited). How to? gist.github.com/4647196
– tamouse
Jan 27 '13 at 7:13
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What does the tilde before a function name mean in C#?
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I don't know how it used to be in the past. But now destructors are inherited. Check this link for more information (check the example at the end): msdn.microsoft.com/en-us/library/66x5fx1b.aspx
– RononDex
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Responsive iframe using Bootstrap
...e-video">
<iframe ></iframe>
</div>
That’s it! Now you can use responsive videos on your site.
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UI Design Pattern for Windows Forms (like MVVM for WPF)
... The BindTree method seems a little flawed to me. Suddenly the the View knows abou the Model. Is that a good thing? There must be tons of poeple being confronted with these kind of problems. I am surprised that there aren't any books about it. Since there are books about everything in the .NET wor...
How to swap keys and values in a hash
... out[value] << key
end
end
end
Note: This code with tests is now on GitHub.
Or:
class Hash
def safe_invert
self.each_with_object({}){|(k,v),o|(o[v]||=[])<<k}
end
end
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How to get script of SQL Server data? [duplicate]
...h from a database as well as insert the data in those tables (as far as I know you have to export all of the data in the selected tables however).
To do this follow these steps:
Right-click on your database and select Tasks > Generate Scripts
In the Generate and Publish Scripts wizard, select ...
Why should I use an IDE? [closed]
...estion, Mark speaks highly of IDEs, saying "some people still just dont know "why" they should use one...". As someone who uses vim for programming, and works in an environment where most/all of my colleagues use either vim or emacs for all of their work, what are the advantages of IDEs? Why sho...
What's the point of g++ -Wreorder?
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Consider:
struct A {
int i;
int j;
A() : j(0), i(j) { }
};
Now i is initialized to some unknown value, not zero.
Alternatively, the initialization of i may have some side effects for which the order is important. E.g.
A(int n) : j(n++), i(n++) { }
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Run Cron job every N minutes plus offset
...r. As a result, I was able to comment on the Server Fault answer which has now been fixed. I don't remember the actual search terms I used to find the IBM page.
– toxalot
Oct 7 '13 at 18:44
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