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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm

... In the view controller that is presented modally, just override disablesAutomaticKeyboardDismissal to return NO: - (BOOL)disablesAutomaticKeyboardDismissal { return NO; } share |...
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Exporting functions from a DLL with dllexport

...ain C exports, use a C project not C++. C++ DLLs rely on name-mangling for all the C++isms (namespaces etc...). You can compile your code as C by going into your project settings under C/C++->Advanced, there is an option "Compile As" which corresponds to the compiler switches /TP and /TC. If you ...
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Why is “while ( !feof (file) )” always wrong?

...ol. The environment truly exists "concurrently" with your program. As with all things concurrent, questions about the "current state" don't make sense: There is no concept of "simultaneity" across concurrent events. Many properties of state simply don't exist concurrently. Let me make this more prec...
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Using GPU from a docker container?

...the following environment: Ubuntu 14.04 CUDA 6.5 AWS GPU instance. Install nvidia driver and cuda on your host See CUDA 6.5 on AWS GPU Instance Running Ubuntu 14.04 to get your host machine setup. Install Docker $ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D786...
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How to identify server IP address in PHP

... This is NOT the server address! This is the address the remote browser calls the server, which is under control of the remote user. Use the answer by John K instead – Ariel Feb 12 '15 at 10:36 ...
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How many GCC optimization levels are there?

..., the default if no optimization level is specified) -O1 (optimize minimally) -O2 (optimize more) -O3 (optimize even more) -Ofast (optimize very aggressively to the point of breaking standard compliance) -Og (Optimize debugging experience. -Og enables optimizations that do not interfere...
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)

...lizing) unless the result needs to be "stringified". Gcc has features but ALL can be done with plain C version 1 (and some argue Berkeley 4.3 C is so much faster it's worth learning how to use). **Clang (llvm) DOES NOT DO WHITE SPACE CORRECTLY for macro expansion - it adds whitespace (which certai...
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Redirecting Output from within Batch file

... good and fast way that only opens and positions the file once @echo off call :sub >output.txt exit /b :sub command1 command2 ... commandN Edit 2020-04-17 Every now and then you may want to repeatedly write to two or more files. You might also want different messages on the screen. It is sti...
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Principal component analysis in Python

... Months later, here's a small class PCA, and a picture: #!/usr/bin/env python """ a small class for Principal Component Analysis Usage: p = PCA( A, fraction=0.90 ) In: A: an array of e.g. 1000 observations x 20 variables, 1000 rows x 20 colum...
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How to do a regular expression replace in MySQL?

...ary linked here doesn't seem to have good windows support. The windows installation method outlined did not work well for me. – Jonathan Dec 5 '13 at 23:58 2 ...