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How to add image to canvas
...xt.drawImage(base_image, 0, 0);
}
}
I.e. draw the image in the onload callback of the image.
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IIS7 Permissions Overview - ApplicationPoolIdentity
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ApplicationPoolIdentity is actually the best practice to use in IIS7+. It is a dynamically created, unprivileged account. To add file system security for a particular application pool see IIS.net's "Application Pool Identities". The quick version:
If the ...
Questions every good Java/Java EE Developer should be able to answer? [closed]
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+1 @Jon: I usually subscribe to the "no need to memorize details" school of thought, but if you don't even know the basic conceptual differences between those basic interfaces, then you're definitely not a good Java developer.
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HTML input textbox with a width of 100% overflows table cells
... the input with two divs, the outer has a 3px margin (which makes it 3px smaller than the td), the inner has a 3px padding. This makes the input 6px smaller than the td, which is what you wanted to begin with.
I am not sure about the mechanics of this, but it works.
In this simple example, it a...
Use IntelliJ to generate class diagram
...ow do I get IntelliJ 10.5 (on the Mac) to generate a class diagram showing all of the classes in my project? I'm sure I'm overlooking something obvious, but I can only get the "Show Diagram" feature to show one class at a time. (I also figured out how to add additional classes, but again, only one...
How is the AND/OR operator represented as in Regular Expressions?
...now try to match the string given by the user with the following, automatically created, regex expression:
5 Answers
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How to find the size of an array in postgresql
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cardinality returns the number of all the elements in a single or multidimensional array. So select cardinality(ARRAY[[1,2], [3,4]]); would return 4, whereas select array_length(ARRAY[[1,2], [3,4]], 1) would return 2. If you're counting the first dimension, a...
How to quit scala 2.11.0 REPL?
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I ran into the same issue on upgrade, just use colon q.
:q
Additionally, exit was deprecated in 2.10.x with sys.exit suggested instead, so this works as well:
sys.exit
As a side note, I think they did this so you can distinguish between exiting the scala console in sbt and exiting sbt its...
Is there a way to simulate the C++ 'friend' concept in Java?
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Here is a small trick that I use in JAVA to replicate C++ friend mechanism.
Lets say I have a class Romeo and another class Juliet. They are in different packages (family) for hatred reasons.
Romeo wants to cuddle Juliet and Juliet wan...
How to change progress bar's progress color in Android
... The reason is because I'm creating the progress bar dynamically, and setting its color upon user request. Since I usually use code for building my GUI screen and components, I'm not familiar with the attached XML and I don't know what's a layer-list (although I'm guessing that you ar...