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How to set a default value for an existing column
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This will work in SQL Server:
ALTER TABLE Employee ADD CONSTRAINT DF_SomeName DEFAULT N'SANDNES' FOR CityBorn;
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Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
..."%(refname)" refs/original/ | foreach-object -process { git update-ref -d $_ }
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FFMPEG (libx264) “height not divisible by 2”
... is:
-vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Command:
ffmpeg -r 24 -i frame_%05d.jpg -vcodec libx264 -y -an video.mp4 -vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Basically, .h264 needs even dimensions so this filter will:
Divide the original height and width by 2
Round it up to the nearest pixel
Multipl...
How to detect if a variable is an array
...ype.toString,
strArray = Array.toString(),
jscript = /*@cc_on @_jscript_version @*/ +0;
// jscript will be 0 for browsers other than IE
if (!jscript) {
Array.isArray = Array.isArray || function (obj) {
return toString.call(obj) == "[object Array]";
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Where does Console.WriteLine go in ASP.NET?
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Application_Start: System.Console.SetOut(new DebugTextWriter());
– Stefan Steiger
Nov 23 '16 at 10:03
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Find what filetype is loaded in vim
...und this from the ever helfpul vim site. http://vim.wikia.com/wiki/Forcing_Syntax_Coloring_for_files_with_odd_extensions
Adding the below to your .vimrc works
au BufRead,BufNewFile *.ipy set filetype=python
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Git SSH error: “Connect to host: Bad file number”
... that works for me:
Error message:
ssh -v git@github.com
OpenSSH_5.8p1, OpenSSL 1.0.0d 8 Feb 2011
debug1: Connecting to github.com [207.97.227.239] port 22.
debug1: connect to address 207.97.227.239 port 22: Connection timed out
ssh: connect to host github.com port 22: Connect...
How do I sort strings alphabetically while accounting for value when a string is numeric?
... bool IsNumeric(string value)
{
return int.TryParse(value, out _);
}
/// <inheritdoc />
public int Compare(string s1, string s2)
{
const int S1GreaterThanS2 = 1;
const int S2GreaterThanS1 = -1;
var IsNumeric1 = IsNumeric(s1);
var Is...
Drawable image on a canvas
...urces();
Bitmap bitmap = BitmapFactory.decodeResource(res, R.drawable.your_image);
Then make the bitmap mutable and create a canvas over it:
Canvas canvas = new Canvas(bitmap.copy(Bitmap.Config.ARGB_8888, true));
You then can draw on the canvas.
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C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...crosoft Windows, a process that accesses invalid memory receives the STATUS_ACCESS_VIOLATION exception.
另外，这里有个基本上对照的中文解释，来自http://www.linux999.org/html_sql/3/132559.htm
所谓的段错误 就是指访问的内存超出了系统所...