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MySQL show current connection info
...Like this one that resolves the user:
SELECT USER();
This will return something like root@localhost so you get the host and the user.
To get the current database run this statement:
SELECT DATABASE();
Other useful functions can be found here: http://dev.mysql.com/doc/refman/5.0/en/information...
Why is using “for…in” for array iteration a bad idea?
...e array.
for (var i = 0; i < a.length; i++) {
// Iterate over numeric indexes from 0 to 5, as everyone expects.
console.log(a[i]);
}
/* Will display:
undefined
undefined
undefined
undefined
undefined
5
*/
can sometimes be totally different from the...
How can I prevent Visual Studio 2013 from closing my IIS Express app when I end debugging?
Previously in 2012, if I debugged in Chrome (for example), and then stopped the debugger, the website would remain running in IIS Express. This no longer seems to be the case in 2013.
...
AsyncTask Android example
...ew has been selected. I find the easiest way to do this is via switch statements. I have a complete class edited below with all suggestions to save confusion.
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.Settings.System;
import android....
Hashing a file in Python
...
TL;DR use buffers to not use tons of memory.
We get to the crux of your problem, I believe, when we consider the memory implications of working with very large files. We don't want this bad boy to churn through 2 gigs of ram for a 2 gigabyte file so, as pasztor...
Do browsers send “\r\n” or “\n” or does it depend on the browser?
This question has bothered me for a million years... whenever I create a website with a textarea that allows multi-line (such as a "Bio" for a user's profile) I always end up writing the following paranoid code:
...
What is better: @SuppressLint or @TargetApi?
...y disables the StrictModeHelper
Please fix the networking bug.
Which method is prefered ..or are they basically doing the same?
@TargetApi and @SuppressLint have the same core effect: they suppress the Lint error.
The difference is that with @TargetApi, you declare, via the parameter, what ...
How do CSS triangles work?
...sika, you can add these triangles into a page without adding additional elements simply by using :before or :after pseudo classes.
– zzzzBov
Aug 16 '11 at 13:24
...
What is the difference between background and background-color
...kground-image
background-position
background-repeat
background-attachment
background-clip
background-origin
background-size
Thus, besides the background-color, using the background shorthand you could also add one or more values without repeating any other background-* property more t...
Find unique rows in numpy.array
... the array with duplicate rows removed; it does not filter the array to elements that are unique in the original array. See here, for example..
– Brad Solomon
Nov 29 '17 at 22:08
...