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Start a git commit message with a hashmark (#)
...alternative clean-up mode.
E.g.
git commit --cleanup=whitespace
If you do this you have to be careful to remove all # lines that you don't want to appear in the commit.
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What is the difference between save and insert in Mongo DB?
...aves differently if it is passed with an "_id" parameter.
For save, If the document contains _id, it will upsert querying the collection on the _id field, If not, it will insert.
If a document does not exist with the specified _id value, the save() method performs an insert with the specified field...
What is the purpose of Node.js module.exports and how do you use it?
What is the purpose of Node.js module.exports and how do you use it?
12 Answers
12
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Why do people still use primitive types in Java?
...d it takes 43 seconds to run. Taking the Long into the primitive brings it down to 6.8 seconds... If that's any indication why we use primitives.
The lack of native value equality is also a concern (.equals() is fairly verbose compared to ==)
for biziclop:
class Biziclop {
public static void...
Why do we need a fieldset tag?
Why do we need a <fieldset> tag? Whatever purpose it serves is probably a subset of the form tag.
10 Answers
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How do you convert a byte array to a hexadecimal string, and vice versa?
...onverter.ToString(ba).Replace("-","");
}
There are even more variants of doing it, for example here.
The reverse conversion would go like this:
public static byte[] StringToByteArray(String hex)
{
int NumberChars = hex.Length;
byte[] bytes = new byte[NumberChars / 2];
for (int i = 0; i <...
How do I make $.serialize() take into account those disabled :input elements?
...
worth considering readonly instead of disabled as mentioned by Andrew below.
– andilabs
Jul 23 '14 at 14:31
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What is Python used for? [closed]
...clean and uniform syntax.
Python is dynamically typed: it means that you don't declare a type (e.g. 'integer') for a variable name, and then assign something of that type (and only that type). Instead, you have variable names, and you bind them to entities whose type stays with the entity itself. ...
Can you break from a Groovy “each” closure?
...se a "find" closure instead of an each and return true when you would have done a break.
This example will abort before processing the whole list:
def a = [1, 2, 3, 4, 5, 6, 7]
a.find {
if (it > 5) return true // break
println it // do the stuff that you wanted to before break
re...
Is there a builtin identity function in python?
I'd like to point to a function that does nothing:
8 Answers
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