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isset() and empty() - what to use
Could you help me to improve my coding style?:) In some tasks I need to check - is variable empty or contains something. To solve this task, I usually do the following.
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Random data in Unit Tests?
I have a coworker who writes unit tests for objects which fill their fields with random data. His reason is that it gives a wider range of testing, since it will test a lot of different values, whereas a normal test only uses a single static value.
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How to configure postgresql for the first time?
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The other answers were not completely satisfying to me. Here's what worked for postgresql-9.1 on Xubuntu 12.04.1 LTS.
Connect to the default database with user postgres:
sudo -u postgres psql template1
Set the password for user postgres, then exit psql (Ctrl-D):
ALTER USER postgres wi...
Use of .apply() with 'new' operator. Is this possible?
... or even
// return new (Cls.bind.apply(Cls, arguments));
// if you know that Cls.bind has not been overwritten
}
It can be used as follows:
var s = newCall(Something, a, b, c);
or even directly:
var s = new (Function.prototype.bind.call(Something, null, a, b, c));
var s = new (Function.pr...
Procedure expects parameter which was not supplied
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I would check my application code and see what value you are setting @template to. I suspect it is null and therein lies the problem.
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Email validation using jQuery
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Sam Leach
11.8k88 gold badges3838 silver badges7070 bronze badges
answered Mar 24 '10 at 11:00
FabianFabian
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Differences between hard real-time, soft real-time, and firm real-time?
...eal-time , and the examples provided for hard and soft real-time systems make sense to me. But, there is no real explanation or example of a firm real-time system. According to the link above:
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Datatable vs Dataset
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It really depends on the sort of data you're bringing back. Since a DataSet is (in effect) just a collection of DataTable objects, you can return multiple distinct sets of data into a single, and therefore more manageable, object.
Performance-wise, you're more likely to get ine...
Unit testing with Spring Security
...ne of our next projects. So far I love what I've seen, and right now I'm taking a look at the Spring Security module to determine if it's something we can/should use.
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Get MD5 hash of big files in Python
I have used hashlib (which replaces md5 in Python 2.6/3.0) and it worked fine if I opened a file and put its content in hashlib.md5() function.
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