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How to present a simple alert message in java?
Coming from .NET i am so used calling Alert() in desktop apps. However in this java desktop app, I just want to alert a message saying "thank you for using java" I have to go through this much suffering:
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Converting String to “Character” array in Java
...Points())
map each 'character' value to Character (you need to cast to actually say that its really a char, and then Java will box it automatically to Character)
get the resulting array by calling toArray()
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Add only non-whitespace changes
I have my text editor to automatically trim trailing whitespace upon saving a file, and I am contributing to an open source project that has severe problems with trailing whitespace.
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ssh: The authenticity of host 'hostname' can't be established
..." or "no". This cause some trouble when running from scripts that automatically ssh to other machines.
15 Answers
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What is the Windows equivalent of the diff command?
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How do you do this with all changed files in two folders? Like, I compare folder1's contents to folder2's contents: any changed lines in folder2 show up?
– Wolfpack'08
Jan 19 '14 at 7:05
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Detect enter press in JTextField
...Event e){
//statements!!!
}});
all you need to do is addActionListener to the JTextField like above! After you press Enter the action will performed what you want at the statement!
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Why I cannot cout a string?
...-defined <xstring> header (never include that directly)). While that allows you to use the string class, the relevant operator<< is defined in the <string> header itself, so you must include that manually. Also relying on other headers to indirectly include the definition of std::b...
How is “mvn clean install” different from “mvn install”?
What is the difference between mvn clean install and mvn install ?
5 Answers
5
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add a string prefix to each value in a string column using Pandas
...map :
df['col'].map('str{}'.format)
It will apply the word "str" before all your values.
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onNewIntent() lifecycle and registered listeners
...ivities which already run somewhere else in the stack and therefore can't call onCreate(). From activities lifecycle point of view it's therefore needed to call onPause() before onNewIntent(). I suggest you to rewrite your activity to not use these listeners inside of onNewIntent(). For example most...