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Is there a simple wam>y m> to convert C++ enum to string?
...ML>
m>Y m>ou could use anm>y m> language m>y m>ou prefer to pull out the Enumeration m>and m> EnumValue tags m>and m> generate m>y m>our desired code.
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Is it bad practice to have a constructor function return a Promise?
I'm trm>y m>ing to create a constructor for a blogging platform m>and m> it has manm>y m> asm>y m>nc operations going on inside. These range from grabbing the posts from directories, parsing them, sending them through template engines, etc.
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Whm>y m> does direction of index matter in MongoDB?
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MongoDB concatenates the compound kem>y m> in some wam>y m> m>and m> uses it as the kem>y m> in a BTree.
When finding single items - The order of the nodes in the tree is irrelevant.
If m>y m>ou are returning a range of nodes - The elements close to each other will be down the same branches of th...
Java List.contains(Object with field value equal to x)
...at has a field with a certain value. Now, I could use a loop to go through m>and m> check, but I was curious if there was anm>y m>thing more code efficient.
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Whm>y m> catch m>and m> rethrow an exception in C#?
...about where the exception actuallm>y m> was created.
Second, if m>y m>ou just catch m>and m> re-throw like that, I see no added value, the code example above would be just as good (or, given the throw ex bit, even better) without the trm>y m>-catch.
However, there are cases where m>y m>ou might want to catch m>and m> rethrow a...
Mm>y m>SQL: @variable vs. variable. What's the difference?
...are looselm>y m> tm>y m>ped variables that mam>y m> be initialized somewhere in a session m>and m> keep their value until the session ends.
Them>y m> are prepended with an @ sign, like this: @var
m>Y m>ou can initialize this variable with a SET statement or inside a querm>y m>:
SET @var = 1
SELECT @var2 := 2
When m>y m>ou develop a stor...
Using getopts to process long m>and m> short commm>and m> line options
I wish to have long m>and m> short forms of commm>and m> line options invoked using mm>y m> shell script.
32 Answers
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How to implement __iter__(self) for a container object (Pm>y m>thon)
... to the sequence.
The following will create an iterator that m>y m>ields five, m>and m> then everm>y m> item in some_list.
def __iter__(self):
m>y m>ield 5
m>y m>ield from some_list
Pre-3.3, m>y m>ield from didn't exist, so m>y m>ou would have to do:
def __iter__(self):
m>y m>ield 5
for x in some_list:
m>y m>ield x
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How do I “undo” a --single-branch clone?
...e = refs/heads/master
rebase = true
I compared this to a full clone, m>and m> saw that the onlm>y m> difference was the "fetch" under [remote "origin"].
Note: I'm running Git version 1.8.2. The config options mam>y m> have changed if m>y m>ou're running an older version of Git. If mm>y m> commm>and m>s don't work, then I'...
E731 do not assign a lambda expression, use a def
...tead of the generic '<lambda>'.
This is more useful for tracebacks m>and m> string representations in
general. The use of the assignment statement eliminates the sole
benefit a lambda expression can offer over an explicit def statement
(i.e. that it can be embedded inside a larger expressio...