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CGContextDrawImage draws image upside down when passed UIImage.CGImage
Does anyone know why CGContextDrawImage would be drawing my image upside down? I am loading an image in from my application:
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Why should I use an IDE? [closed]
...ho uses vim for programming, and works in an environment where most/all of my colleagues use either vim or emacs for all of their work, what are the advantages of IDEs? Why should I use one?
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How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to
...up for Amazon S3 and installed the S3Fox Plugin . They asked me for both my Access Key and Secret Access Key, both of which require me to login to access.
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How do I put all required JAR files in a library folder inside the final JAR file with Maven?
I am using Maven in my standalone application, and I want to package all the dependencies in my JAR file inside a library folder, as mentioned in one of the answers here:
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Using msbuild to execute a File System Publish Profile
... with Visual Studio 2015. After many of hours trying, I can now do msbuild myproject.csproj /p:DeployOnBuild=true /p:PublishProfile=myprofile.
I had to edit my .csproj file to get it working. It contained a line like this:
<Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v10.0...
Date query with ISODate in mongodb doesn't seem to work
...or: { "$err" : "invalid operator: $date", "code" : 10068 }
Try this:
db.mycollection.find({
"dt" : {"$gte": new Date("2013-10-01T00:00:00.000Z")}
})
or (following comments by @user3805045):
db.mycollection.find({
"dt" : {"$gte": ISODate("2013-10-01T00:00:00.000Z")}
})
ISODate may be ...
Creating your own header file in C
...e */
printf("%d\n", y);
return 0;
}
To compile using GCC
gcc -o my_app main.c foo.c
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Quickly find whether a value is present in a C array?
... loop. Here's a way to do it which incorporates the 3 ideas I mentioned in my comment: Loop unrolling, cache prefetch and making use of the multiple load (ldm) instruction. The instruction cycle count comes out to about 3 clocks per array element, but this doesn't take into account memory delays.
T...
Difference between declaring variables before or in loop?
...a or b?
From a performance perspective, you'd have to measure it. (And in my opinion, if you can measure a difference, the compiler isn't very good).
From a maintenance perspective, b is better. Declare and initialize variables in the same place, in the narrowest scope possible. Don't leave a gapi...
How to use the “number_to_currency” helper method in the model rather than view?
I would like to use to_dollar method in my model like this:
11 Answers
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