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Git merge left HEAD marks in my files
...bin/bash
for f in $(grep -Rl '^>>>>>>> ' --include="*.php" --include="*.css" --include="*.js" --include="*.html" --include="*.svg" --include="*.txt" .)
do
sed -i -e '/^=======/,/^>>>>>>> /d' -e '/^<<<<<<< /d' $f
sed -i -e '/^>>>...
Convert hex string to int in Python
...59
>>> print int("10", 0)
10
(You must specify 0 as the base in order to invoke this prefix-guessing behavior; omitting the second parameter means to assume base-10.)
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Query to list all stored procedures
...IF', -- inline table-valued functions
'TF' -- table-valued functions
)
ORDER BY type, name
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Why do we need extern “C”{ #include } in C++?
...s all named foo:
A::foo()
B::foo()
C::foo(int)
C::foo(std::string)
In order to differentiate between them all, the C++ compiler will create unique names for each in a process called name-mangling or decorating. C compilers do not do this. Furthermore, each C++ compiler may do this is a differ...
What integer hash function are good that accepts an integer hash key?
...4435761 mod 2^32
In general, you should pick a multiplier that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit: The biggest disadvantage of this hash function is that it preserves divi...
Is it possible to serialize and deserialize a class in C++?
...s to me that boost::serialization requires the caller to keep track of the order in which objects are written and read. Is that correct? So if there is a change in the order in which two fields are written between versions of a program then we have an incompatibility. Is this right?
...
Entity Framework rollback and remove bad migration
...t;"
All migrations applied after the one specified will be down-graded in order starting with the latest migration applied first.
Step 2: Delete your migration from the project
remove-migration name_of_bad_migration
If the remove-migration command is not available in your version of Entity Framewo...
std::enable_if to conditionally compile a member function
...to another class, then inherit from that class. You may have to change the order of inheritence to get access to all of the other underlying data but this technique does work.
template< class T, bool condition> struct FooImpl;
template<class T> struct FooImpl<T, true> {
T foo() { ...
Rspec doesn't see my model Class. uninitialized constant error
...nfig.eager_load = false, set it to true.
You should check in the written order since you don't want to solve the issue with the typo laying there.
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Multiprocessing vs Threading Python [duplicate]
...in CPython?
Process vs thread experiments
I did a bit of benchmarking in order to show the difference more concretely.
In the benchmark, I timed CPU and IO bound work for various numbers of threads on an 8 hyperthread CPU. The work supplied per thread is always the same, such that more threads me...