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Image.Save(..) throws a GDI+ exception because the memory stream is closed
...inary data which i want to save as an image. When i try to save the image, it throws an exception if the memory stream used to create the image, was closed before the save. The reason i do this is because i'm dynamically creating images and as such .. i need to use a memory stream.
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Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic
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Good, it works. But it's not working for an array of vectors: for e.g: vector<int> A[n];
– ABcDexter
Dec 28 '14 at 7:51
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Android studio logcat nothing to show
...thing to show in the logcat. I used the terminal to run ./adb logcat and it works.
60 Answers
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How to set Sqlite3 to be case insensitive when string comparing?
I want to select records from sqlite3 database by string matching. But if I use '=' in the where clause, I found that sqlite3 is case sensitive. Can anyone tell me how to use string comparing case-insensitive?
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How do I scroll the UIScrollView when the keyboard appears?
I'm having trouble with my code. I'm trying to move the UIScrollView when I'm editing an UITextField that should be hidden by the keyboard pop.
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Reusing output from last command in Bash
...ster? E.g. something similar to $? capturing the output instead of the exit status.
12 Answers
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Why is sed not recognizing \t as a tab?
...ed script to insert a tab in front of every line in $filename however it is not. For some reason it is inserting a t instead.
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What is the difference between the 'COPY' and 'ADD' commands in a Dockerfile?
...t:
If is a local tar archive in a recognized compression format (identity, gzip, bzip2 or xz) then it is unpacked as a directory. Resources from remote URLs are not decompressed.
Note that the Best practices for writing Dockerfiles suggests using COPY where the magic of ADD is not required. ...
How to start two threads at “exactly” the same time
The threads should start at same split second. I understand, if you do thread1.start() , it will take some milliseconds before the next execution of thread2.start() .
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How do I get a background location update every n minutes in my iOS application?
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I found a solution to implement this with the help of the Apple Developer Forums:
Specify location background mode
Create an NSTimer in the background with UIApplication:beginBackgroundTaskWithExpirationHandler:
When n is smaller than UIApplication:backgroundTi...