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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...ifference from a performance and code generated standpoint. In performance testing, they went back and forth between which one was faster vs the other, and only by milliseconds.
In looking at the behind the scenes code, you really don't see any difference either. The only difference is in the IL, w...
How much faster is Redis than mongoDB?
... connect to redis & mongodb
redis = redis.Redis()
mongo = Connection().test
collection = mongo['test']
collection.ensure_index('key', unique=True)
def mongo_set(data):
for k, v in data.iteritems():
collection.insert({'key': k, 'value': v})
def mongo_get(data):
for k in data.ite...
How to retrieve a module's path?
...
Hope this helps. This caveat cost me a lot of time and confusion while testing the other solutions presented.
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How to test code dependent on environment variables using JUnit?
...haviour of the code depends on the value of this variable. I would like to test this code with different values of the environment variable. How can I do this in JUnit?
...
How do I do a Date comparison in Javascript? [duplicate]
...
if (date1.getTime() > date2.getTime()) {
alert("The first date is after the second date!");
}
Reference to Date object
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How do you use a variable in a regular expression?
... replace can be a normal string and don't have to be a regexp? str1 = "."; alert("pattern matching .".replace(str1, "string"));
– some
Jan 30 '09 at 10:31
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Get the name of the currently executing method
...
Even better than my first answer you can use __method__:
class Foo
def test_method
__method__
end
end
This returns a symbol – for example, :test_method. To return the method name as a string, call __method__.to_s instead.
Note: This requires Ruby 1.8.7.
...
Does use of final keyword in Java improve the performance?
...le below are concatenated statically (at compile time).
public class FinalTest {
public static final int N_ITERATIONS = 1000000;
public static String testFinal() {
final String a = "a";
final String b = "b";
return a + b;
}
public static String testNonFina...
How to match “any character” in regular expression?
...
There are lots of sophisticated regex testing and development tools, but if you just want a simple test harness in Java, here's one for you to play with:
String[] tests = {
"AAA123",
"ABCDEFGH123",
"XXXX123",
"XYZ123ABC",
...
How to detect a textbox's content has changed
...l() != content) {
content = $('#myContent').val();
alert('Content has been changed');
}
});
});
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