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How can I convert tabs to spaces in every file of a directory?
...aware of the expand command - very useful!
– Martin Konecny
May 7 '14 at 16:08
29
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C++ performance vs. Java/C#
...ters do wonders here.
So depending on what you're writing I would go with one or the other. But if you're writing something that isn't hardware dependent (driver, video game, etc), I wouldn't worry about the performance of C# (again can't speak about Java). It'll do just fine.
One the Java side, @...
SELECT INTO a table variable in T-SQL
...ady have a target table! So what you want is
The INSERT statement adds one or more new rows to a table
You can specify the data values in the
following ways:
...
By using a SELECT subquery to specify
the data values for one or more rows,
such as:
INSERT INTO MyTable
(...
Efficiently updating database using SQLAlchemy ORM
... be used together with the SQL layer, not hide it. But you do have to keep one or two things in mind when using the ORM and plain SQL in the same transaction. Basically, from one side, ORM data modifications will only hit the database when you flush the changes from your session. From the other side...
What's the difference between libev and libevent?
...r structures are big because they combine I/O, time and signal handlers in one, the extra components such as the http and dns servers suffered from bad implementation quality and resultant security issues, and timers were inexact and didn't cope well with time jumps.
Libev tried to improve each of ...
Simulate delayed and dropped packets on Linux
...to be 100 ± 10 ms with the next random element depending 25% on the last one. This isn't true statistical correlation, but an approximation.
Delay distribution
Typically, the delay in a network is not uniform. It is more common to use a something like a normal distribution to describe th...
Using querySelectorAll to retrieve direct children
...some cases you can also skip .querySelectorAll and use other good old-fashioned DOM API features. For example, instead of myDiv.querySelectorAll(":scope > *") you could just write myDiv.children, for example.
Otherwise if you can't yet rely on :scope, I can't think of another way to handle your ...
What does this thread join code mean?
...t1 finish first, then t2 to finish. That seems to be a sequential process. One thread finishes first, then the other. what's the point of multiple threading?
– user697911
Apr 11 '13 at 18:43
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How can I sort arrays and data in PHP?
...
Basic one dimensional arrays
$array = array(3, 5, 2, 8);
Applicable sort functions:
sort
rsort
asort
arsort
natsort
natcasesort
ksort
krsort
The difference between those is merely whether key-value associations are kept (the "a"...
How do I pass command line arguments to a Node.js program?
...le.log(index + ': ' + val);
});
This will generate:
$ node process-2.js one two=three four
0: node
1: /Users/mjr/work/node/process-2.js
2: one
3: two=three
4: four
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