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DateTime format to SQL format using C#
...ther seldom used format, which is a bit weird but works for all versions:
select { d '2013-10-01' }
will return the first of october 2013.
select { ts '2013-10-01 13:45:01' }
will return october 1st, 1:45:01 PM
I strongly advice to use parameters and never format your own SQL code by pasting...
Multiple Indexes vs Multi-Column Indexes
...e multi-column index can be used for queries referencing all the columns:
SELECT *
FROM TableName
WHERE Column1=1 AND Column2=2 AND Column3=3
This can be looked up directly using the multi-column index. On the other hand, at most one of the single-column index can be used (it would have to look u...
Better way to check if a Path is a File or a Directory?
I am processing a TreeView of directories and files. A user can select either a file or a directory and then do something with it. This requires me to have a method which performs different actions based on the user's selection.
...
What is pseudopolynomial time? How does it differ from polynomial time?
...mon intuition for polynomial time is "time O(nk) for some k." For example, selection sort runs in time O(n2), which is polynomial time, while brute-force solving TSP takes time O(n · n!), which isn't polynomial time.
These runtimes all refer to some variable n that tracks the size of the input. Fo...
Get encoding of a file in Windows
... when you click "Save As...".
It'll look like this:
Whatever the default-selected encoding is, that is what your current encoding is for the file.
If it is UTF-8, you can change it to ANSI and click save to change the encoding (or visa-versa).
I realize there are many different types of encoding...
How to export/import PuTTy sessions list?
...
Right click on 'SimonTatham' key (directory icon), select Export
Give the file a name (say) putty.reg and save it to your location for
later use.
Close Registry Editor.
Done.
...
How can I get a web site's favicon?
...tain this via the agility pack:
var favicon = "/favicon.ico";
var el=root.SelectSingleNode("/html/head/link[@rel='shortcut icon' and @href]");
if (el != null) favicon = el.Attributes["href"].Value;
Note the icon is theirs, not yours.
...
How to automatically remove trailing whitespace in Visual Studio 2008?
...
You can do this easily with these three actions:
Ctrl + A (select all text)
Edit -> Advanced -> Delete Horizontal Whitespace
Edit -> Advanced -> Format Selection
Wait a few seconds and done.
It's Ctrl + Z'able in case something went wrong.
...
Getting file names without extensions
... Directory.GetFiles(@"c:\", "*.txt")
.Select(filename =>
Path.GetFileNameWithoutExtension(filename)));
I dislike the DirectoryInfo, FileInfo for this scenario.
DirectoryInfo and FileInfo collect more data about the folder and the...
How to configure Mac OS X term so that git has color? [closed]
...eferences) or by pressing Command+,. Once the preferences dialogue opens, select the terminal style from the pane on the left, select Text from the button bar, than make sure the "Display ANSI colors" check box is checked.
That will enable the colors on the terminal. To get colors in the output o...