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How do I use valgrind to find memory leaks?
...using someone else's code?
Chances are someone else already found it. Try Google! If that fails, use the skills I gave you above. If that fails and you mostly see API calls and little of your own stack trace, see the next question.
I found a leak that isn't mine; should I do something?
Yes! Most ...
How can I show line numbers in Eclipse?
...mple as that.
Ctrl+F10, then N, to Show or hide line numbers.
Reference : http://www.shortcutworld.com/en/win/Eclipse.html
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Private pages for a private Github repo
...ocumentation and also here on SO. But I was wondering if there could be a http://foo.github.com for a private repository named foo which is accessible only one had access to the foo repository itself.
...
How to generate a random number between a and b in Ruby?
...
UPDATE: Ruby 1.9.3 Kernel#rand also accepts ranges
rand(a..b)
http://www.rubyinside.com/ruby-1-9-3-introduction-and-changes-5428.html
Converting to array may be too expensive, and it's unnecessary.
(a..b).to_a.sample
Or
[*a..b].sample
Array#sample
Standard in Ruby 1.8.7+.
No...
Excel to CSV with UTF8 encoding [closed]
...
A simple workaround is to use Google Spreadsheet. Paste (values only if you have complex formulas) or import the sheet then download CSV. I just tried a few characters and it works rather well.
NOTE: Google Sheets does have limitations when importing. Se...
I need a Nodejs scheduler that allows for tasks at different intervals [closed]
...ob("0 */10 * * * *", function(){
// perform operation e.g. GET request http.get() etc.
console.info('cron job completed');
});
cronJob.start();
You can find more examples in node-cron wiki
More on cron configuration can be found on cron wiki
I've been using that library in many projects...
How to show current time in JavaScript in the format HH:MM:SS?
...oLocaleTimeString();
This will display e.g.:
"11:33:01"
I found it on http://www.w3schools.com/jsref/jsref_tolocaletimestring.asp
var d = new Date();
var n = d.toLocaleTimeString();
alert("The time is: \n"+n);
...
log4j logging hierarchy order
...es.
You can also refer this link for more information about log levels :
https://logging.apache.org/log4j/2.0/manual/architecture.html
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How can I disable ReSharper in Visual Studio and enable it again?
...
I always forget how to do this and this is the top result on Google. IMO, none of the answers here are satisfactory.
So the next time I search this and to help others, here's how to do it and what the button looks like to toggle it:
Make sure Resharper is currently enabled or the co...
What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...m (select i from g group by i) a;
count
10001
(1 row)
Time: 594,481 ms
http://www.pgsql.cz/index.php/PostgreSQL_SQL_Tricks_I
so be careful ... :)
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