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Rails migration for change column
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edited Feb 7 '17 at 5:53
Deepak Mahakale
18.4k77 gold badges5454 silver badges7373 bronze badges
answ...
Merging dictionaries in C#
...st way to merge 2 or more dictionaries ( Dictionary<T1,T2> ) in C#?
(3.0 features like LINQ are fine).
26 Answers
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How do I handle newlines in JSON?
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386
I guess this is what you want:
var data = '{"count" : 1, "stack" : "sometext\\n\\n"}';
(You...
How can I sort a dictionary by key?
What would be a nice way to go from {2:3, 1:89, 4:5, 3:0} to {1:89, 2:3, 3:0, 4:5} ?
I checked some posts but they all use the "sorted" operator that returns tuples.
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Get current time as formatted string in Go?
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Dave C
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answered May 4 '11 at 15:17
nmichaelsnmichaels
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AI 一句话生成 App：ai2-app 技能，直接编译安卓鸿蒙 - App Inventor 2 中文网
... 导入或更新 ai2-app 技能包（下载 https://www.fun123.cn/static/ai2-app/ai2-app.zip 并解压到你的技能目录），然后用这个技能完成我的需求，交付可直接导入 App Inventor 2 中文网（fun123.cn）编译的 .aia：【在这里写你的需求，或附...
Array versus List: When to use which?
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edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Jan 12 '09 at 8:10
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How to remove new line characters from a string?
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332
I like to use regular expressions. In this case you could do:
string replacement = Regex.Repl...
FFmpeg: How to split video efficiently?
...fmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 -sn test1.mkv
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test2.mkv
echo "One command"
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:...
Can an ASP.NET MVC controller return an Image?
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536
Use the base controllers File method.
public ActionResult Image(string id)
{
var dir = Ser...