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FixedThreadPool vs CachedThreadPool: the lesser of two evils
...) which perform a bunch of tasks. Originally, I used a FixedThreadPool because this similar question suggested they were better suited for longer lived tasks and with my very limited knowledge of multithreading, I considered the average life of the threads (several minutes) " long lived ".
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MySQL stored procedure vs function, which would I use when?
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You can't mix in stored procedures with ordinary SQL, whilst with stored function you can.
e.g. SELECT get_foo(myColumn) FROM mytable is not valid if get_foo() is a procedure, but you can do that if get_foo() is a function. The...
React.js: Wrapping one component into another
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Or you can use a Higher-Order Component :) stackoverflow.com/a/31564812/82609
– Sebastien Lorber
Jul 22 '15 at 13:41
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Create unique constraint with null columns
...ON favorites (user_id, recipe_id)
WHERE menu_id IS NULL;
This way, there can only be one combination of (user_id, recipe_id) where menu_id IS NULL, effectively implementing the desired constraint.
Possible drawbacks: you cannot have a foreign key referencing (user_id, menu_id, recipe_id), you can...
Edit a commit message in SourceTree Windows (already pushed to remote)
...mmit that you want to edit, then click Edit Message at the
bottom. In this case, I'm selecting the commit with the message "FOOBAR!":
Step 4
Edit the commit message, and then click OK. In my example, I've added
"SHAZBOT! SKADOOSH!"
Step 5
When you return to interactive rebase window, click o...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
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Standard C Preprocessor
$ cat xx.c
#define VARIABLE 3
#define PASTER(x,y) x ## _ ## y
#define EVALUATOR(x,y) PASTER(x,y)
#define NAME(fun) EVALUATOR(fun, VARIABLE)
extern void NAME(mine)(char *x);
$ gcc -E xx.c
# 1 "xx.c"
# 1 "<built-in>"
# 1 ...
Is gcc std::unordered_map implementation slow? If so - why?
We are developing a highly performance critical software in C++. There we need a concurrent hash map and implemented one. So we wrote a benchmark to figure out, how much slower our concurrent hash map is compared with std::unordered_map .
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Chrome Extension how to send data from content script to popup.html
...o that I've tried reading the documentation but messaging in chrome I just can't understand what to do.
2 Answers
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What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
I was deploying an ASP.NET MVC application last night, and found out that it is less work to deploy with IIS7 set to integrated mode. My question is what is the difference? And what are the implications of using one or the other?
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What exactly is Hot Module Replacement in Webpack?
...xperimental feature.
HMR is a way of exchanging modules in a running application (and adding/removing modules). You basically can update changed modules without a full page reload.
Documentation
Prerequirements:
Using Plugins: https://webpack.js.org/concepts/plugins/
Code Splitting: https://web...