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What column type/length should I use for storing a Bcrypt hashed password in a Database?
...ase layer or make the password column unique (“Sorry, this password is already in use”) at all. I'd recommend using UTF8 everywhere. In that case there will be no problems, will there?
– Neonit
Jan 17 '18 at 9:44
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Constant Amortized Time
...twice as long before doing it! The cost of each enlargement can thus be "spread out" among the insertions. This means that in the long term, the total time taken for adding m items to the array is O(m), and so the amortised time (i.e. time per insertion) is O(1).
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Is it better to specify source files with GLOB or each file individually in CMake?
...e right files in the list. This is such a corner case, and one where you already are on your toes, that it isn't really an issue.
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How do I daemonize an arbitrary script in unix?
.../dev/null 2>&1
if [[ $? = 0 ]]; then
echo "Command $1 already running."
exit
fi
fi
# Write our pid to file.
echo $$ >$PIDFILE
# Get command.
COMMAND=$1
shift
# Run command until we're killed.
while true; do
$COMMAND "$@"
sleep 10 # if command dies immedia...
Why are const parameters not allowed in C#?
...arantee that the object will not change, and is therefore broken. Now, C already has a weak type system in which you can do a reinterpret cast of a double into an int if you really want to, so it should not be a surprise that it has a weak type system with respect to const as well. But C# was desig...
What are free monads?
...ink it would have confused me had I not met 'join' on the NICTA course and read haskellforall.com/2012/06/…. So for me, the trick to understanding is to read a lot of answers until it sinks in. (NICTA Reference: github.com/NICTA/course/blob/master/src/Course/Bind.hs)
– Martin...
REST authentication and exposing the API key
I've been reading up on REST and there are a lot of questions on SO about it, as well as on a lot of other sites and blogs. Though I've never seen this specific question asked...for some reason, I can't wrap my mind around this concept...
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vertical-align with Bootstrap 3
...ms (the columns) vertically by align-items property.
EXAMPLE HERE (Please read the comments with care)
<div class="container">
<div class="row vertical-align"> <!--
^-- Additional class -->
<div class="col-xs-6"> ... </div>
<...
Combining C++ and C - how does #ifdef __cplusplus work?
...
extern "C" doesn't really change the way that the compiler reads the code. If your code is in a .c file, it will be compiled as C, if it is in a .cpp file, it will be compiled as C++ (unless you do something strange to your configuration).
What extern "C" does is affect linkage. C...
Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively
...Height, clientWidth, clientHeight, scrollWidth and scrollHeight. These are read-only attributes representing the current visual layout, and all of them are integers (thus possibly subject to rounding errors).
Let's go through them in detail:
offsetWidth, offsetHeight: The size of the visual box i...