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Where does the @Transactional annotation belong?
...ree with that. Sometimes it does not matter, but sometimes you can benefit from that e.g. Hibernate session is spanned for the while transaction, so all loaded objects are in 1st-level cache and you don't need to reattach the objects to session again, plus lazily loaded properties function without f...
Get a pixel from HTML Canvas?
....getElementById('myCanvas').getContext('2d');
// Get the CanvasPixelArray from the given coordinates and dimensions.
var imgd = context.getImageData(x, y, width, height);
var pix = imgd.data;
// Loop over each pixel and invert the color.
for (var i = 0, n = pix.length; i < n; i += 4) {
pix[...
How to read file from relative path in Java project? java.io.File cannot find the path specified
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If it's already in the classpath, then just obtain it from the classpath instead of from the disk file system. Don't fiddle with relative paths in java.io.File. They are dependent on the current working directory over which you have totally no control from inside the Java code.
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What is (functional) reactive programming?
...you want to get a feel for FRP, you could start with the old Fran tutorial from 1998, which has animated illustrations. For papers, start with Functional Reactive Animation and then follow up on links on the publications link on my home page and the FRP link on the Haskell wiki.
Personally, I like...
NuGet Package Restore Not Working
...to get you started:
The right way to restore NuGet packages
Migrate away from MSBuild-based NuGet package restore
Migrating MSBuild-Integrated solutions to use Automatic Package Restore
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iphone Core Data Unresolved error while saving
I am getting a strange error message from the core data when trying to save
but the problem that the error is not reproducible ( it appears at different times when doing different tasks)
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Best way to resolve file path too long exception
...this MS article about Naming Files, Paths, and Namespaces
Here's a quote from the link:
Maximum Path Length Limitation In the Windows API (with some exceptions discussed in the following paragraphs), the maximum length
for a path is MAX_PATH, which is defined as 260 characters. A local
pat...
Python loop that also accesses previous and next values
...lement, and end iterating at the last-but-one element. So index should run from 1 ... (l-1), not 0 ... l as you have here, and no need for the special-cased if-clauses. Btw, there is a parameter enumerate(..., start=1) but not for end. So we don't realy want to use enumerate().
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Version number comparison in Python
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Now you've merged all the good ideas from the others into your solution ... :-P still, this is pretty much what I'd do after all. I'll accept this answer. Thanks, everyone
– Johannes Charra
Nov 11 '09 at 10:36
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.classpath and .project - check into version control or not?
...raemer: true. I have now restored those two pictures, the first one coming from archive.eclipse.org/eclipse/downloads/drops/R-3.5-200906111540/… and the second one from download.itemis.com/mirror/eclipse/R-3.6-201006080911./….
– VonC
May 26 '11 at 4:03
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