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Rails 4: List of available datatypes
...ress
:ip_address
:mac_address
They are stored as strings if you run your app with a not-PostgreSQL database.
Edit, 2016-Sep-19:
There's a lot more postgres specific datatypes in Rails 4 and even more in Rails 5.
share
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Email validation using jQuery
... Thanks for this @NickCraver: This really looks to be a "best practice" approach to the problem of handling validation for an email. This most certainly is NOT like building a factory (writing up the libs to do all the work) to get a wheel. It's like following the instructions from the factory to...
Need command line to start web browser using adb
...pecifically
adb shell am start \
-n com.android.chrome/com.google.android.apps.chrome.Main \
-a android.intent.action.VIEW -d 'file:///sdcard/lazer.html'
Also give Chrome access to sdcard via
adb shell pm grant com.android.chrome android.permission.READ_EXTERNAL_STORAGE
Swap com.android.chrome...
Most efficient way to concatenate strings?
...
The StringBuilder.Append() method is much better than using the + operator. But I've found that, when executing 1000 concatenations or less, String.Join() is even more efficient than StringBuilder.
StringBuilder sb = new StringBuilder();
sb....
Static nested class in Java, why?
...edList's members, it makes sense for it to be static - it's a much cleaner approach.
As Jon Skeet points out, I think it is a better idea if you are using a nested class is to start off with it being static, and then decide if it really needs to be non-static based on your usage.
...
Breaking loop when “warnings()” appear in R
...2f%2fstackoverflow.com%2fquestions%2f8217901%2fbreaking-loop-when-warnings-appear-in-r%23new-answer', 'question_page');
}
);
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Name
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Anything wrong with NOT signing a .NET assembly?
... more point to note is if you want to share this assembly across different application then signing is a must (i.e. GAC).
– rajesh pillai
Sep 1 '09 at 18:16
add a comment
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How to convert an IPv4 address into a integer in C#?
...a test program to show both conversions, including the network/host byte swapping:
using System;
using System.Net;
class App
{
static long ToInt(string addr)
{
// careful of sign extension: convert to uint first;
// unsigned NetworkToHostOrder ought to be provided.
...
Merge development branch with master
... won't be any conflicts now)
There isn't much of a difference in the two approaches, but I have noticed sometimes that I don't want to merge the branch into master yet, after merging them, or that there is still more work to be done before these can be merged, so I tend to leave master untouched u...
How do I use Notepad++ (or other) with msysgit?
...ed) is simpler than the original one, as it doesn't need anymore a shell wrapper script.
As I explain in "How can I set up an editor to work with Git on Windows?", I prefer a wrapper, as it is easier to try and switch editors, or change the path of one editor, without having to register said change...