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How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
...ke(0, 0, width, height), imageRef);
CGContextRelease(context);
// Now your rawData contains the image data in the RGBA8888 pixel format.
NSUInteger byteIndex = (bytesPerRow * y) + x * bytesPerPixel;
for (int i = 0 ; i < count ; ++i)
{
CGFloat alpha = ((CGFloat) rawDat...
Spring Boot - Cannot determine embedded database driver class for database type NONE
...taSourceAutoConfiguration.class}) in my main class. But after putting this now I am getting error Parameter 0 of constructor in org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration required a bean of type 'javax.sql.DataSource' that could not be found.. Please help.
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Execute command without keeping it in history [closed]
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But now this thread is a real mess! in this case, especially for such an old question, I believe it's better that you edit already existing good answers, and/or leave a comment…
– gniourf_gniourf
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Detecting a redirect in ajax request?
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Welcome to the future!
Right now we have a "responseURL" property from xhr object. YAY!
See How to get response url in XMLHttpRequest?
However, jQuery (at least 1.7.1) doesn't give an access to XMLHttpRequest object directly.
You can use something like...
How to insert a newline in front of a pattern?
...
sed $'s/regexp/\\\n/g'
What happens here is: the entire sed command is now a C-style string, which means the backslash that sed requires to be placed before the new line literal should now be escaped with another backslash. Though more readable, in this case you won't be able to do shell string...
moving committed (but not pushed) changes to a new branch after pull
... (the current branch) without switching the current branch to new-work. So now new-work contains all the new commits. Then the reset moves the current branch (still master) back to origin/master.
– Mark Longair
Jan 21 '15 at 22:01
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How do I update a formula with Homebrew?
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This is indeed the correct way now. The old ways will still work if use append --force.
– mxcl
Feb 28 '12 at 17:37
2
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How to round an average to 2 decimal places in PostgreSQL?
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For those trying to find the comment by @Catcall : now it is Mike Sherrill 'Cat Recall'
– 18446744073709551615
Apr 7 '16 at 7:35
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How to split one string into multiple strings separated by at least one space in bash shell?
...individual elements:
sentence="this is a story"
stringarray=($sentence)
now you can access individual elements directly (it starts with 0):
echo ${stringarray[0]}
or convert back to string in order to loop:
for i in "${stringarray[@]}"
do
:
# do whatever on $i
done
Of course looping thr...
How to install packages offline?
...env2.
python -m virtualenv myenv2
cd myenv2
source bin/activate
cd -
ls
now you can go to your offline folder where your requirements.txt and tranferred_packages folder are in there. download the packages with following code and put all of them to tranferred_packages folder.
pip download -r requ...