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What's the difference between globals(), locals(), and vars()?
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edited Dec 10 '19 at 9:50
user2357112 supports Monica
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Rails Migration: Remove constraint
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170
Not sure you can call t.address? Anyway... I would use change_column like so
change_column :use...
Foreign keys in mongo?
...ones"})
> db.foo.find()
{ "_id" : ObjectId("4df6539ae90592692ccc9940"), "group" : "phones" }
{ "_id" : ObjectId("4df6540fe90592692ccc9941"), "group" : "phones" }
>db.foo.find({'_id':ObjectId("4df6539ae90592692ccc9940")})
{ "_id" : ObjectId("4df6539ae90592692ccc9940"), "group...
Git diff to show only lines that have been modified
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What you want is a diff with 0 lines of context. You can generate this with:
git diff --unified=0
or
git diff -U0
You can also set this as a config option for that repository:
git config diff.context 0
To have it set globally, for any repository...
How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
...epends on GMP and MPFR.
wget ftp://gcc.gnu.org/pub/gcc/infrastructure/mpc-0.8.1.tar.gz
tar zxvf mpc-0.8.1.tar.gz
cd mpc-0.8.1
./configure --disable-shared --enable-static --prefix=/tmp/gcc --with-gmp=/tmp/gcc --with-mpfr=/tmp/gcc
make && make check && make install
ELF
ELF stands ...
git cherry-pick says “…38c74d is a merge but no -m option was given”
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640
The way a cherry-pick works is by taking the diff a changeset represents (the difference between...
What's the difference between :: (double colon) and -> (arrow) in PHP?
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edited Jun 30 '14 at 17:37
answered Jul 4 '10 at 2:20
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mongoDB/mongoose: unique if not null
...types.html
– damphat
Oct 21 '13 at 10:15
I don't think this answers the question correctly, as a few documents without...
Need to understand the usage of SemaphoreSlim
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i guess that if i run 50 thread at a time then code like SemaphoreSlim ss = new SemaphoreSlim(10); will force to run 10 active thread at time
That is correct; the use of the semaphore ensures that there won't be more than 10 workers doing this wo...
Accessing elements of Python dictionary by index
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