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How to hide soft keyboard on android after clicking outside EditText?

... You can write a method that iterates through every View in your activity, and check if it is an instanceof EditText if it is not register a setOnTouchListener to that component and everything will fall in place. In case you are wondering how to do that, it is in fact quite simple. Here is what you ...
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Smart pointers: who owns the object? [closed]

...a 'slave' for a shared_ptr, can't deallocate auto_ptr - when the creation and deallocation happen inside the same function, or when the object has to be considered one-owner-only ever. When you assign one pointer to another, the second 'steals' the object from the first. I have my own implementati...
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How to override toString() properly in Java?

Sounds a little stupid, but I need help on my toString() method and it is very irking. I tried looking up online because the toString is the one where it is screwing up and "not finding Kid constructor #2" even though it is there and I would even do something else and it doesn't work. Ok that w...
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Specifically, what's dangerous about casting the result of malloc?

... therefore converting the void* pointer actually returned by malloc to int and then to your pointer type due to the explicit cast. On some platforms, int and pointers may take up different numbers of bytes, so the type conversions may lead to data corruption. Fortunately, modern compilers give warn...
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How do I create test and train samples from one dataframe with pandas?

I have a fairly large dataset in the form of a dataframe and I was wondering how I would be able to split the dataframe into two random samples (80% and 20%) for training and testing. ...
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How do you match only valid roman numerals with a regular expression?

...L|L?X{0,3})(IX|IV|V?I{0,3})$ Breaking it down, M{0,4} specifies the thousands section and basically restrains it to between 0 and 4000. It's a relatively simple: 0: <empty> matched by M{0} 1000: M matched by M{1} 2000: MM matched by M{2} 3000: MMM matched by M{3} 4000:...
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How to fix HTTP 404 on Github Pages?

...h-pages branch. Everything looks good, I have my index.html , my CSS, JS and pictures folders. 30 Answers ...
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iTerm 2: How to set keyboard shortcuts to jump to beginning/end of line?

... Do you know what the code/sequence for Command+Delete is? (clear out the prompt) – Steven Lu Mar 31 '13 at 18:37 ...
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write a shell script to ssh to a remote machine and execute commands

... There are multiple remote linux machines, and I need to write a shell script which will execute the same set of commands in each machine. (Including some sudo operations). How can this be done using shell scripting? You can do this with ssh, for example: #!/bin/ba...
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Best way to merge two maps and sum the values of same key?

I want to merge them, and sum the values of same keys. So the result will be: 15 Answers ...