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How to run Django's test database only in memory?
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166
If you set your database engine to sqlite3 when you run your tests, Django will use a in-memor...
python generator “send” function purpose?
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155
It's used to send values into a generator that just yielded. Here is an artificial (non-useful...
In mongoDb, how do you remove an array element by its index?
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138
There is no straight way of pulling/removing by array index. In fact, this is an open issue h...
Detecting an “invalid date” Date instance in JavaScript
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#ifdef #ifndef in Java
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126
private static final boolean enableFast = false;
// ...
if (enableFast) {
// This is remove...
adding multiple entries to a HashMap at once in one statement
...eger> hashMap = new HashMap<String, Integer>()
{{
put("One", 1);
put("Two", 2);
put("Three", 3);
}};
As a piece of warning, please refer to the thread Efficiency of Java “Double Brace Initialization" for the performance implications that it might have.
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How to get UTC timestamp in Ruby?
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118
time = Time.now.getutc
Rationale: In my eyes a timestamp is exactly that: A point in time. T...
What is the most efficient string concatenation method in python?
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