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RE error: illegal byte sequence on Mac OS X
...rying to replace a string in a Makefile on Mac OS X for cross-compiling to iOS. The string has embedded double quotes. The command is:
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how to ignore namespaces with XPath
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You can use the local-name() XPath function. Instead of selecting a node like
/path/to/x:somenode
you can select all nodes and filter for the one with the correct local name:
/path/to/*[local-name() = 'somenode']
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What is the correct way to make a custom .NET Exception serializable?
More specifically, when the exception contains custom objects which may or may not themselves be serializable.
7 Answers
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Recommended way to save uploaded files in a servlet application
...ould not save the file in the server anyway as it is not portable, transactional and requires external parameters. However, given that I need a tmp solution for tomcat (7) and that I have (relative) control over the server machine I want to know :
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In a storyboard, how do I make a custom cell for use with multiple controllers?
...ng on. In the app there are Lists and Users and each contains a collection of the other (members of a list, lists owned by a user). So, accordingly, I have ListCell and UserCell classes. The goal is to have those be re-usable throughout the app (ie, in any of my tableview controllers).
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Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
...ng /me/friends returns the person's friends who also use the app.
In addition, in v2.0, you must request the user_friends permission from each user. user_friends is no longer included by default in every login. Each user must grant the user_friends permission in order to appear in the response to /...
Drawing Isometric game worlds
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Update: Corrected map rendering algorithm, added more illustrations, changed formating.
Perhaps the advantage for the "zig-zag" technique for mapping the tiles to the screen can be said that the tile's x and y coordinates are on the vertical and horizontal axes.
"Drawing in a diamond" ...
How to include view/partial specific styling in AngularJS
What is the proper/accepted way to use separate stylesheets for the various views my application uses?
7 Answers
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
I successfully implemented the OpenCV square-detection example in my test application, but now need to filter the output, because it's quite messy - or is my code wrong?
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Resizing an image in an HTML5 canvas
...formance, right? Behold, the thumbnail generating code:
// returns a function that calculates lanczos weight
function lanczosCreate(lobes) {
return function(x) {
if (x > lobes)
return 0;
x *= Math.PI;
if (Math.abs(x) < 1e-16)
return 1;
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