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How do you manage databases in development, test, and production?
...
Name your databases as follows - dev_<<db>> , tst_<<db>> , stg_<<db>> , prd_<<db>> (Obviously you never should hardcode db names
Thus you would be able to deploy even the different type of db's on same physical ...
How to correctly use the extern keyword in C
...ction prototypes:
//--------------------------------------
//Filename: "my_project.H"
extern int function_1(void);
static int function_2(void);
int function_3(void);
The header file can be used by the main source code as follows:
//--------------------------------------
//Filename: "my_pr...
Change Bootstrap input focus blue glow
...put-border-focus variable.
See the commit for more info and warnings.
In _variables.scss update @input-border-focus.
To modify the size/other parts of this glow modify the mixins/_forms.scss
@mixin form-control-focus($color: $input-border-focus) {
$color-rgba: rgba(red($color), green($color), ...
What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
...cure at a second look. This only makes sense to me if you are working with __dict__, and the keywords are going to become attributes later, something like that.
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system(“pause”); - Why is it wrong?
...utable named "pause"!)
Simply write your own "Pause()" function that uses _getch. OK, sure, _getch is platform dependent as well (note: it's defined in "conio.h") - but it's much nicer than system() if you are developing on Windows and it has the same effect (though it is your responsibility to pro...
Two submit buttons in one form
...l be sent through as any other input.
<input type="submit" name="button_1" value="Click me">
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How do I write data into CSV format as string (not file)?
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You could use StringIO instead of your own Dummy_Writer:
This module implements a file-like class, StringIO, that reads and writes a string buffer (also known as memory files).
There is also cStringIO, which is a faster version of the StringIO class.
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Storing SHA1 hash values in MySQL
...INARY(20) and CHAR(40).
CREATE TABLE `binary` (
`id` int unsigned auto_increment primary key,
`password` binary(20) not null
);
CREATE TABLE `char` (
`id` int unsigned auto_increment primary key,
`password` char(40) not null
);
With million of records binary(20) takes 44.56M, whil...
Converting NSString to NSDate (and back again)
...4, 17))
Goes like:
extension Date
{
public static func FromString(_ dateString: String) -> Date?
{
// Date detector.
let detector = try! NSDataDetector(types: NSTextCheckingResult.CheckingType.date.rawValue)
// Enumerate matches.
var matchedDate: Date...
Python: avoid new line with print command [duplicate]
...thon 3. To suppress the space character as well, you can either use
from __future__ import print_function
to get access to the Python 3 print function or use sys.stdout.write().
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