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How to convert a std::string to const char* or char*?
...ne. Another reason to want a char* (non const) is to operate with MPI broadcast. It looks nicer if you don't have to copy back and forth. I would have personally offered a char* const getter to string. Const pointer, but editable string. Although it may have messed with the implicit conversion from ...
Can't create handler inside thread that has not called Looper.prepare()
...You're calling it from a worker thread. You need to call Toast.makeText() (and most other functions dealing with the UI) from within the main thread. You could use a handler, for example.
Look up Communicating with the UI Thread in the documentation. In a nutshell:
// Set this up in the UI thread....
How to specify new GCC path for CMake
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Do not overwrite CMAKE_C_COMPILER, but export CC (and CXX) before calling cmake:
export CC=/usr/local/bin/gcc
export CXX=/usr/local/bin/g++
cmake /path/to/your/project
make
The export only needs to be done once, the first time you configure the project, then those values ...
How do I run a shell script without using “sh” or “bash” commands?
...ve a shell script which I want to run without using the "sh" or "bash" commands. For example:
11 Answers
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How do I make my GUI behave well when Windows font scaling is greater than 100%
...hey contain very valuable techniques. My answer here only provides caveats and cautions against assuming DPI-awareness is easy.
I generally avoid DPI-aware scaling with TForm.Scaled = True. DPI awareness is only important to me when it becomes important to customers who call me and are willing to ...
Is there a list of Pytz Timezones?
...util.tz provides similar functionalities but uses the OS timezone database and has no such problems.
– Yongwei Wu
Feb 1 '18 at 15:17
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Why is ArrayDeque better than LinkedList
I am trying to to understand why Java's ArrayDeque is better than Java's LinkedList as they both implement Deque interface.
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Is there a way to give a specific file name when saving a file via cURL?
I am pulling files using curl in the mac OS X terminal and want to give them different names. Is there a way to specify a name, such as a "save as" function when using curl?
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Git keeps prompting me for a password
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I think you may have the wrong Git repository URL.
Open .git/config and find the [remote "origin"] section. Make sure you're using the SSH one:
ssh://git@github.com/username/repo.git
You can see the SSH URL in the main page of your repository if you click Clone or download and choose ssh.
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Perform commands over ssh with Python
I'm writing a script to automate some command line commands in Python. At the moment I'm doing calls thus:
13 Answers
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