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Difference between DirectCast() and CType() in VB.NET
...order of complexity (small to large): DirectCast, TryCast, CType/Convert.ToXYZ(), C<xyz>() would be correct?
– motto
Aug 30 '10 at 21:53
3
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How to replace all strings to numbers contained in each string in Notepad++?
...epad++ v6.8.8
Find: [([a-zA-Z])]
Replace: [\'\1\']
Will produce:
$array[XYZ] => $array['XYZ']
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SQL how to increase or decrease one for a int column in one command
...sn't require a specific DBMS.
try:
insert into TBL (key,val) values ('xyz',0)
catch:
do nothing
update TBL set val = val + 1 where key = 'xyz'
That is, you try to do the creation first. If it's already there, ignore the error. Otherwise you create it with a 0 value.
Then do the update wh...
Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...装Mongo DB，步骤看这里。
2. Mongo DB C# driver下载可以在nuget搜索mongocsharpdriver。
3. 如果想本地察看数据库中内容，下载MongoVUE。
4. Knockoutjs下载可以在nuget搜索knockoutjs。
代码实现
1. 创建项目
创建MVC4 Web Application
在Project Templat...
How to compare two colors for similarity/difference
...ce white D50
float Yr = 1.0f;
float Zr = 0.825211f;
// RGB to XYZ
r = R / 255.f; //R 0..1
g = G / 255.f; //G 0..1
b = B / 255.f; //B 0..1
// assuming sRGB (D65)
if (r <= 0.04045)
r = r / 12;
else
r = (float) Math.pow((r + 0.055) / 1.055, 2.4);...
How do I tell git-svn about a remote branch created after I fetched the repo?
...anually got rid of the faulty branch (renamed .git/svn/refs/remotes/svn/qa/XYZ to .git/svn/refs/remotes/svn/qa/XYZ~, dropped its existence in .git/packed-refs, etc)... picked an "earlier" revision number for the metadata... ran git svn fetch to finally get a full history w/ correct, connected graph....
Example of multipart/form-data
...ent-Disposition: form-data; name="name_of_post_request" filename="filename.xyz"
content of filename.xyz that you upload in your form with input[type=file]
--12345
Content-Disposition: form-data; name="image" filename="picture_of_sunset.jpg"
content of picture_of_sunset.jpg ...
--12345--
I found ...
Combining Multiple Commits Into One Prior To Push
...r was helpful. Then, my git status showed "Your branch and 'origin/feature/xyz' have diverged, and have 1 and 1 different commits each, respectively." So I needed to git push origin feature/xyz --force-with-lease See stackoverflow.com/a/59309553/470749 and freecodecamp.org/forum/t/…
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Casting a variable using a Type variable
...ssible.
Type type = GetSomeType();
Object @object = GetSomeObject();
??? xyz = @object.CastTo(type); // How would you declare the variable?
xyz.??? // What methods, properties, or fields are valid here?
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Uploading base64 encoded Image to Amazon S3 via Node.js
...is basically key - e.g. if your bucket name is - bucketone and key name is xyz.png, then file path will be bucketone.s3.amazonaws.com/xyz.png
– Divyanshu Das
Jul 25 '17 at 6:15
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