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HTML text-overflow ellipsis detection
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Once upon a time I needed to do this, and the only cross-browser reliable solution I came across was hack job. I'm not the biggest fan of solutions like this, but it certainly produces the correct result time and time again.
The idea i...
How to use PHP OPCache?
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opcache.max_accelerated_files=4000
;How often (in seconds) to check file timestamps for changes to the shared
;memory storage allocation.
opcache.revalidate_freq=60
;If enabled, a fast shutdown sequence is used for the accelerated code
;The fast shutdown sequence doesn't free each allocated block...
How to build & install GLFW 3 and use it in a Linux project
...he GLFW 3 packages for Linux from source. This process took me a very long time, about 3 hours in total, partly because I am unfamiliar with CMake, and partly because I am was unfamiliar with GLFW.
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stringstream, string, and char* conversion confusion
...ad is to bind the temporary to a const reference. This will extend its lifetime to the lifetime of the reference:
{
const std::string& tmp = stringstream.str();
const char* cstr = tmp.c_str();
}
IMO that's the best solution. Unfortunately it's not very well known.
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Is iterating ConcurrentHashMap values thread safe?
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What happens if I try to iterate the map with two threads at the same time?
It will work as expected if each of the threads uses it's own iterator.
What happens if I put or remove a value from the map while iterating it?
It is guaranteed that things will not break if you do this (that'...
Script entire database SQL-Server
... people on our dev team overwriting this file with different settings each time...
– Joe Phillips
Aug 4 '10 at 15:37
@...
Unlimited Bash History [closed]
...33/unlimited-bash-history
export HISTFILESIZE=
export HISTSIZE=
export HISTTIMEFORMAT="[%F %T] "
# Change the file location because certain bash sessions truncate .bash_history file upon close.
# http://superuser.com/questions/575479/bash-history-truncated-to-500-lines-on-each-login
export HISTFILE=...
Why can't strings be mutable in Java and .NET?
...ts, then it is
guaranteed that these invariants will remain true for all time, with
no effort on your part.
[...]
Immutable objects are inherently thread-safe; they require no synchronization. They cannot be corrupted by multiple threads
accessing them concurrently. This is far and a...
The necessity of hiding the salt for a hash
...The other product randomly generates a salt for each user and changes each time the user changes the password. The salt is then encrypted in the database.
...
What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
...ies in SQL.
The main advantages of the graph model were rapid development time and flexibility. We could quickly add new functionality without impacting existing deployments. If a potential customer wanted to import some of their own data and graft it on top of our model, it could usually be done o...