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Installing Latest version of git in ubuntu
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edited Jan 4 '18 at 6:40
Quanlong
18.4k88 gold badges5858 silver badges7474 bronze badges
answered Oc...
Getting number of elements in an iterator in Python
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101
No. It's not possible.
Example:
import random
def gen(n):
for i in xrange(n):
if...
What is the difference between `git fetch origin` and `git remote update origin`?
...idn't actually use the same codepath until v1.6.6.1 (released December 23 2009). Even before that, though, they did essentially the same thing, just using different code (possibly behaving slightly differently in corner cases, but I can't think of any off the top of my head).
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C++ SFINAE examples?
...t(...);
public:
enum { Yes = sizeof(IsClassT<T>::test<T>(0)) == 1 };
enum { No = !Yes };
};
When IsClassT<int>::Yes is evaluated, 0 cannot be converted to int int::* because int is not a class, so it can't have a member pointer. If SFINAE didn't exist, then you would ge...
How to change the decimal separator of DecimalFormat from comma to dot/point?
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ChrisChris
7,09011 gold badge2424 silver badges3636 bronze badges
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What is this: [Ljava.lang.Object;?
...list. Here are some examples:
// xxxxx varies
System.out.println(new int[0][0][7]); // [[[I@xxxxx
System.out.println(new String[4][2]); // [[Ljava.lang.String;@xxxxx
System.out.println(new boolean[256]); // [Z@xxxxx
The reason why the toString() method on arrays returns String in this format is ...
Ternary Operator Similar To ?:
...Hi".getClass.getSimpleName |> {x => x.endsWith("$") ? x.init | x}
res0: String = String
scala> List.getClass.getSimpleName |> {x => x.endsWith("$") ? x.init | x}
res1: String = List
Is this adequate for your needs?
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How do I enable C++11 in gcc?
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edited Jun 2 '13 at 20:11
answered Jun 2 '13 at 19:57
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Transpose/Unzip Function (inverse of zip)?
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802
zip is its own inverse! Provided you use the special * operator.
>>> zip(*[('a', 1), ...
SQLite - increase value by a certain number
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202
Sample 1 (for all rows):
UPDATE Products SET Price = Price + 50
Sample 2 (for a specific row...