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How do I contribute to other's code in GitHub? [closed]
...considerations:
the project may have Contribution Guidelines: Look for a file CONTRIBUTING.rst or .md
you may want to follow the coding guidelines for the project
you may want to outline your idea as issue first
you may want to look at the Pull Requests tab for the project and check if there are ...
MVC Razor dynamic model, 'object' does not contain definition for 'PropertyName'
...compile time compilation of your Razor views by adding this to your csproj file:
<PropertyGroup>
<MvcBuildViews>true</MvcBuildViews>
</PropertyGroup>
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Is there a performance difference between i++ and ++i in C?
... f()
{
int i;
for (i = 0; i < 100; i++)
g(i);
}
The files are the same, except for ++i and i++:
$ diff i++.c ++i.c
6c6
< for (i = 0; i < 100; i++)
---
> for (i = 0; i < 100; ++i)
We'll compile them, and also get the generated assembler:
$ gcc -c i++.c +...
How do you validate a URL with a regular expression in Python?
...
For example ::::: is a valid URL. The path is ":::::". A pretty stupid filename, but a valid filename.
Also, ///// is a valid URL. The netloc ("hostname") is "". The path is "///". Again, stupid. Also valid. This URL normalizes to "///" which is the equivalent.
Something like "bad://///wo...
How slow are .NET exceptions?
...erting data from a user. It's appropriate when reading a machine-generated file, where failure means "The file isn't in the format it's meant to be, I really don't want to try to handle this as I don't know what else might be wrong."
When using exceptions in "only reasonable circumstances" I've nev...
Is Redis just a cache?
...ps you with all the plumbing on the server side.
Persistence, Reliability etc.
Unlike a Cache, Redis persists data on the hard disk. You can have a master-slave setup to provide better reliability. To learn more, go through Persistence and Replication topics over here - http://redis.io/documentati...
Best way to do multiple constructors in PHP
...class Student
{
protected $firstName;
protected $lastName;
// etc.
/**
* Constructor
*/
public function __construct() {
// allocate your stuff
}
/**
* Static constructor / factory
*/
public static function create() {
$instance = ...
When is each sorting algorithm used? [closed]
...extra memory, but is particularly suitable for external sorting (i.e. huge files that don't fit into memory).
Heap-sort can sort in-place and doesn't have the worst case quadratic behavior, but on average is slower than quicksort in most cases.
Where only integers in a restricted range are involve...
In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
...ags appropriately all the time for each language.
For ours, we declared a file in ObjC
PreProcessorMacros.h
extern BOOL const DEBUG_BUILD;
In the .m
PreProcessorMacros.m
#ifdef DEBUG
BOOL const DEBUG_BUILD = YES;
#else
BOOL const DEBUG_BUILD = NO;
#endif
Then, in your Objective-C Br...
How to handle checkboxes in ASP.NET MVC forms?
...mplish this in a clean and modular way.
You will simply end up with a new file in the EditorTemplate folder that looks like this:
@model SampleObject
@Html.CheckBoxFor(m => m.IsChecked)
@Html.HiddenFor(m => m.Id)
@Html.LabelFor(m => m.IsChecked, Model.Id)
in your actual view, there wil...