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Should I use the datetime or timestamp data type in MySQL?
...in time I talk about. (See Nir's excellent answer below). [Downside: valid range].
– MattBianco
Sep 1 '10 at 14:36
123
...
BaseException.message deprecated in Python 2.6
...r: 'ascii' codec can't encode characters in position 24-25: ordinal not in range(128)
print(my) # outputs 'my detailed description'
### Solution 2
# Works in Python 2.x if exception only has ASCII characters,
# should always work in Python 3.x
str(my)
### Solution 3
# Required in Python 2.x i...
How do you calculate log base 2 in Java for integers?
...lues which does not fit in a long, this might not be useful if your values range exceeds long range ( float has much higher range than long in java)
– Naruto26
Aug 19 at 4:31
...
How do I activate C++ 11 in CMake?
... target_compile_features() is used to specify the required C++ feature cxx_range_for. CMake will then induce the C++ standard to be used.
cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR)
project(foobar CXX)
add_executable(foobar main.cc)
target_compile_features(foobar PRIVATE cxx_range_for)
Ther...
Numpy `logical_or` for more than two arguments
... setup=lambda n: [numpy.random.choice(a=[False, True], size=n) for j in range(k)],
kernels=[
lambda l: and_recursive(*l),
lambda l: and_reduce(*l),
lambda l: and_stack(*l),
lambda l: or_recursive(*l),
lambda l: or_reduce(*l),
lambda l: or_stack(...
Type converting slices of interfaces
...code you gave in your question:
b := make([]interface{}, len(a))
for i := range a {
b[i] = a[i]
}
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How to sort two lists (which reference each other) in the exact same way
...r zip solution for me (using lists of 10000 random ints): %timeit index = range(len(l1)); index.sort(key=l1.__getitem__); map(l1.__getitem__, index); map(l2.__getitem__, index) 100 loops, best of 3: 8.04 ms per loop (vs 9.17 ms, 9.07 ms for senderle's timits)
– Quantum7
...
Add new column with foreign key constraint in one command
...f my ids as there is no point of having negative id LOL.
So for that, the raw SQL query will change like this:
ALTER TABLE `table_name`
ADD `column_name` INTEGER UNSIGNED,
ADD CONSTRAINT constrain_name FOREIGN KEY(column_name) REFERENCES foreign_table_name(id);
I hope it helps
...
Restrict varchar() column to specific values?
...pression that is not
based on data in another column. For
example, the range of values for a
salary column can be limited by
creating a CHECK constraint that
allows for only data that ranges from
$15,000 through $100,000. This
prevents salaries from being entered
beyond the regular s...
How do I convert an integer to binary in JavaScript?
... what
JS uses as its not sure how many bits are in your number range. There are
some suggestions https://stackoverflow.com/questions/10936600/javascript-decimal-to-binary-64-bit
*/
return (~dec).toString(2);
}
}
I had some help from here
...