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Is a one column table good design? [closed]
.... state abbreviations; Zip codes that we ship to; words legal in Scrabble; etc.
2) Sparse binary attribute, ie., in a large table, a binary attribute that will be true for only a very few records. Instead of adding a new boolean column, I might create a separate table containing the keys of the re...
Counting the occurrences / frequency of array elements
...different objects is just gonna tell you there's a lot of [object Object]. Etc. etc.
– Jimbo Jonny
Feb 5 at 9:51
How c...
Make .git directory web inaccessible
... .htaccess, to prevent me overwriting them, or forgetting on a new install etc.
Here are some detailed instructions hope they help. I'm using Ubuntu 16.10.
First check what happens if you navigate to the .git folder in a browser. In my case I was presented with a directory listing. If you are see...
Android - Package Name convention
...ention. http is from org.apache.http, Andengine is org.anddev.andengine, etc etc.
– Eric
Jun 8 '11 at 3:47
What are ...
How should you build your database from source control?
...or each environment (ex. references to external systems, linked databases, etc)
How do you test that the deployment scripts will work as effectively against production as they do in test?
You test them on pre-production environment: test deployment on exact copy of production environment (database a...
How to get the full path of running process?
...
using System.Diagnostics;
var process = Process.GetCurrentProcess(); // Or whatever method you are using
string fullPath = process.MainModule.FileName;
//fullPath has the path to exe.
There is one catch with this API, if you are running this code in 32 bit application, ...
Get name of current class?
...:
__metaclass__ = InputAssigningMetaclass
class foo(MyBaseFoo):
# etc, no need to create 'input'
class foo2(MyBaseFoo):
# etc, no need to create 'input'
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...
Disable double-tap “zoom” option in browser on touch devices
...=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
etc...
</head>
I've used that very recently and it works fine on iPad. Haven't tested on Android or other devices (because the website will be displayed on iPad only).
...
What is the best way to check for Internet connectivity using .NET?
... this should work.
System.Net.WebClient
public static bool CheckForInternetConnection()
{
try
{
using (var client = new WebClient())
using (client.OpenRead("http://google.com/generate_204"))
return true;
}
catch
{
return false;
...
Efficiently test if a port is open on Linux?
... I want to embed the port checking code in a script on the server, under /etc/init.d/
– Aman Jain
Mar 7 '12 at 22:14
...