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“Unknown class in Interface Builder file” error at runtime
...is loaded at runtime, MyClass is referenced using a string, but the linker doesn't analyze code functionality, just code existence, so it doesn't know that. Since no other source files references that class, the linker optimizes it out of existence when making the executable. So when Apple's code ...
How can I make the tabs work normally on Xcode 4?
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XCode 6 still does not handles tabs as expected :(
– Ivan Marinov
Jun 4 '14 at 11:51
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How to articulate the difference between asynchronous and parallel programming?
...des and the slaves work. Concurrency is like modern Italy, where everybody does what they want, and all use mobile phones.
In conclusion, parallel programming is somewhat a special case of concurrency where separate entities collaborate to obtain high performance and throughput (generally).
Async...
Negative weights using Dijkstra's Algorithm
...chwitJanwityanujit- This is how Dijkstra's algorithm works. The algorithm does not explore paths, but instead works by processing nodes. Each node is processed exactly once, so as soon as we process the B node and get that its distance is 1, we will never revisit the node B or attempt to update it...
How to use ng-repeat without an html element
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As of AngularJS 1.2 there's a directive called ng-repeat-start that does exactly what you ask for. See my answer in this question for a description of how to use it.
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Docker and securing passwords
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A default installation of docker (on linux) requires sudoer privileges to run docker inspect. If the attacker can already sudo, snatching your password out of docker inspect is probably pretty low on your list of things that can now go wrong. This particular detail seems like a...
DROP IF EXISTS VS DROP?
...BLE IF EXISTS table_name;
The first one will throw an error if the table doesn't exist, or if other database objects depend on it. Most often, the other database objects will be foreign key references, but there may be others, too. (Views, for example.) The second will not throw an error if the...
differences in application/json and application/x-www-form-urlencoded
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What implications does it have on the server side. I see sites like stackoverflow & Twitter use x-www-form-urlencoded for AJAX requests like vote etc. The response sent back is JSON. I would think that it's better to have a symmetrical req...
How create table only using tag and Css
...proach I used will work equally well in modern and older browsers since it does not use these values for display CSS attribute.)
3-STEP SIMPLE APPROACH
For table with divs only so you get cells and rows just like in a table element use the following approach.
Replace table element with a block d...
For files in directory, only echo filename (no path)
...done
The above uses Parameter Expansion which is native to the shell and does not require a call to an external binary such as basename
However, might I suggest just using find
find /home/user -type f -printf "%f\n"
sha...