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MySQL show status - active or total connections?
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In order to check the maximum allowed connections, you can run the following query:
SHOW VARIABLES LIKE "max_connections";
To check the number of active connections, you can run the following query:
SHOW VARIABLES LIKE "max_...
Resolving ambiguous overload on function pointer and std::function for a lambda using +
...esult is the value of the argument.
The lambda is not of arithmetic type etc., but it can be converted:
[expr.prim.lambda]/3
The type of the lambda-expression [...] is a unique, unnamed non-union class type — called the closure type — whose properties are described below.
[expr.prim.lam...
class name and method name dropdown list is missing (visual studio setting)
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Tools - Options - Text Editor - (choose the type of file - C#, html, etc) - General
In the bottom section of the form (The "Display" area) make sure that "Navigation Bar" is checked.
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What's the difference between `1L` and `1`?
I often seen the symbol 1L (or 2L , 3L , etc) appear in R code. Whats the difference between 1L and 1 ? 1==1L evaluates to TRUE . Why is 1L used in R code?
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Use gulp to select and move directories and their files
...arches recursively throughout all subfolders, and subfolders' subfolders', etc.
Filename.extension asterisks (.../*.*) finds files of all names, and all extensions. So I think this part deserves the most emphasis!
The accepted answer changes something else; it adds a prefix of ./ to each path argum...
How can I mix LaTeX in with Markdown? [closed]
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you should look at multimarkdown http://fletcherpenney.net/multimarkdown/
it has support for metadata (headers, keywords, date, author, etc), tables, asciimath, mathml, hell i'm sure you could stick latex math code right in there. it's basically an extension to mark...
Android and setting width and height programmatically in dp units
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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What is console.log?
...so use console.profile(profileName); to start profiling a function, script etc. And then end it with console.profileEnd(profileName); and it will show up in you Profiles tab in Chrome (don't know with FF).
For a complete reference go to http://getfirebug.com/logging and I suggest you read it. (Trac...
How to define hash tables in Bash?
...n for very large hash tables. You have to enforce key uniqueness yourself, etc. Even if you only have a few hundred entries, the output file/grep combo is going to be quite a bit faster - in my experience several times faster. It also eats less memory.
Here's one way to do it:
hinit() {
rm -f ...
Erasing elements from a vector
...terested in how many times an element has been added to your vector or the order the elements were added.
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