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Why can't I forward-declare a class in a namespace using double colons?
...). Essentially, it must be one of class identifier;, struct identifier; or union identifier; where identifer is the common lexical definition in [lex.name]:
identifier:
identifier-nondigit
identifier identifier-nondigit
identifier digit
identifier-nondigit:
nondigit
universal-character-n...
Storing money in a decimal column - what precision and scale?
...
For Mysql, I recommend storing the integer (2500) as a bigint if you intend on sorting by the amount. And don't waste your time with PHP 32bit when dealing with big integers, upgrade to 64bit or Node.JS ;)
–...
omp parallel vs. omp parallel for
...worksharing construct
and no other statements. Permitted clauses are the union of the clauses
allowed for the parallel and worksharing contructs.
Taken from http://www.openmp.org/mp-documents/OpenMP3.0-SummarySpec.pdf
The specs for OpenMP are here:
https://openmp.org/specifications/
...
Read properties file outside JAR file
...am is main.jar and its main properties file is main.properties):
./ - the root of your program
|__ main.jar
|__ main.properties
With this architecture, you can modify any property in the main.properties file using any text editor before or while your main.jar is running (depending on the curren...
How to limit depth for recursive file list?
...u %g %p\n'
drwx------ www-data www-data /tmp/user/33
drwx------ octopussy root /tmp/user/126
drwx------ root root /tmp/user/0
drwx------ siegel root /tmp/user/1000
drwxrwxrwt root root /tmp/systemd-[...].service-HRUQmm/tmp
(Edited for readability: indented, shortened l...
How to add images to README.md on GitHub?
...ich for me is just the name of the image file because I have everything in root). I had been maintaining 2 copies of the README.md, one for local installation in /usr/share/projectname/docs, and one for github. Now, I can just use the same README.md for both since the image filenames work fine in bo...
XPath to select multiple tags
..., or is a logical operator -- it operates on two Boolean values. The XPath union operator | operates on two sets of nodes. These are quite different and there are specific use cases for each of them. Using | can solve the original problem, but it results in a longer and more complex and challenging ...
What is the type of lambda when deduced with “auto” in C++11?
...on (which is also the type of the closure object) is a unique, unnamed non-union class type — called the closure type — whose properties are described below. This class type is not an aggregate (8.5.1). The closure type is declared in the smallest block scope, class scope, or namespace scope tha...
MIN/MAX vs ORDER BY and LIMIT
...OM `tbl`;
Simply because it is ANSI compatible. Limit 1 is particular to MySql as TOP is to SQL Server.
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How can I import one Gradle script into another?
...d should provide you the abstraction you are looking for.
In your project root build.gradle you define all your domain specific stuff as well as the things that apply to all your subprojects:
repositories {
add(new org.apache.ivy.plugins.resolver.FileSystemResolver()) {
name = 'destRe...