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gdb fails with “Unable to find Mach task port for process-id” error
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In Snow Leopard and later Mac OS versions, it isn't enough to codesign the gdb executable.
You have to follow this guide to make it work: http://www.opensource.apple.com/source/lldb/lldb-69/docs/code-signing.txt
The guide explains how to d...
Call removeView() on the child's parent first
... the parent to a ViewGroup so that you get access to the removeView method and use that.
Thanks to @Dongshengcn for the solution
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How to find the kth largest element in an unsorted array of length n in O(n)?
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This is called finding the k-th order statistic. There's a very simple randomized algorithm (called quickselect) taking O(n) average time, O(n^2) worst case time, and a pretty complicated non-randomized algorithm (called introselect) taking O(n) worst case time. There's some info on Wikipedia, bu...
How do you configure an OpenFileDialog to select folders?
...owserDialog, but I've never really liked that dialog. It starts too small and doesn't let me take advantage of being able to type a path.
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Yank file name / path of current buffer in Vim
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TL;DR
:let @" = expand("%")>
this will copy the file name to the unamed register, then you can use good old p to paste it. and of course you can map this to a key for quicker use.
:nmap cp :let @" = expand("%")<cr>
you can also use ...
Why does Azure deployment take so long?
I'm trying to understand why it can take from 20-60min to deploy a small application to Azure (using the configuration/package upload method, not from within VS).
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SecurityError: Blocked a frame with origin from accessing a cross-origin frame
I am loading an <iframe> in my HTML page and trying to access the elements within it using Javascript, but when I try to execute my code, I get the following error:
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Static table view outside UITableViewController
After the new Xcode update, my app doesn't validate and shows this error:
4 Answers
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Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
...t need a GIL (which is why it can perfectly be implemented on JVM [Jython] and .NET [IronPython], and those implementations multithread freely). CPython (the popular implementation) has always used a GIL for ease of coding (esp. the coding of the garbage collection mechanisms) and of integration of ...
When to use wrapper class and primitive type
...have mentioned that certain constructs such as Collections require objects and that objects have more overhead than their primitive counterparts (memory & boxing).
Another consideration is:
It can be handy to initialize Objects to null or send null parameters into a method/constructor to indic...