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Right query to get the current number of connections in a PostgreSQL DB
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233
Those two requires aren't equivalent. The equivalent version of the first one would be:
SELECT...
Django - limiting query results
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310
Django querysets are lazy. That means a query will hit the database only when you specifically...
error: default argument given for parameter 1
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213
You are probably redefining the default parameter in the implementation of the function. It shou...
Creating hidden arguments with Python argparse
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srgergsrgerg
15.9k33 gold badges4848 silver badges3939 bronze badges
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What is the difference between .text, .value, and .value2?
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answered Jun 28 '13 at 11:17
Charles WilliamsCharles Williams
21.4k55 gold badges3333 silver badges3636 bronze badges
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How to format a floating number to fixed width in Python
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for x in numbers:
print "{:10.4f}".format(x)
prints
23.2300
0.1233
1.0000
4.2230
9887.2000
The format specifier inside the curly braces follows the Python format string syntax. Specifically, in this case, it consists of the following parts:
The empty string bef...
Converting a double to an int in C#
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Because Convert.ToInt32 rounds:
Return Value: rounded to the nearest 32-bit signed integer. If value
is halfway between two whole numbers, the even number is returned;
that is, 4.5 is converted to 4, and 5.5 is converted to 6.
...while ...
ruby system command check exit code
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edited Sep 10 '13 at 20:36
answered Sep 10 '13 at 20:31
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Is it possible to use global variables in Rust?
...ation is performed at runtime. Here are a few examples:
static SOME_INT: i32 = 5;
static SOME_STR: &'static str = "A static string";
static SOME_STRUCT: MyStruct = MyStruct {
number: 10,
string: "Some string",
};
static mut db: Option<sqlite::Connection> = None;
fn main() {
p...
How do I revert master branch to a tag in git?
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edited Apr 11 '13 at 8:07
answered Jul 29 '11 at 11:31
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