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Does PowerShell support constants?
I would like to declare some integer constants in PowerShell.
6 Answers
6
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python's re: return True if string contains regex pattern
...ord contains bar, baz or bad." Other answers use the behavior of if - auto-converting the expression to its right to a bool. e.g. import re; rgx=re.compile(r'ba[rzd]'); rgx.search('foobar') => <re.Match object; span=(2, 5), match='bar'>, but if(rgx.search(w)): print('y') => y. Closest to...
What is the point of noreturn?
...embly dump (-S -o - flags in coliru), indeed drops the "unreachable" code. Interestingly enough, -O1 is already enough to drop that unreachable code without the [[noreturn]] hint.
– TemplateRex
Aug 21 '13 at 13:23
...
Tree data structure in C#
...Build an AddChild method that takes care of all the minutia of these two points and any other business logic that must be implemented (child limits, sorting the children, etc.)
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Can JavaScript connect with MySQL?
... there is no extra latency from passing through a MySQL Server and need to convert from JavaScript code//objects into SQL operations. If for some reason, you’d prefer it to pass through a MySQL Server (for example if you’re storing tables in InnoDB) then that can be configured.
JSDB offers a ...
What is the difference between packaged_task and async
...ask won't start on it's own, you have to invoke it:
std::packaged_task<int()> task(sleep);
auto f = task.get_future();
task(); // invoke the function
// You have to wait until task returns. Since task calls sleep
// you will have to wait at least 1 second.
std::cout << "You can see th...
Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic
... you send the argument by reference. Did you mean
void copyVecFast(vec<int> original) // no reference
{
vector<int> new_;
new_.swap(original);
}
That would work, but an easier way is
vector<int> new_(original);
...
Value Change Listener to JTextField
...Update(DocumentEvent e) {
warn();
}
public void warn() {
if (Integer.parseInt(textField.getText())<=0){
JOptionPane.showMessageDialog(null,
"Error: Please enter number bigger than 0", "Error Message",
JOptionPane.ERROR_MESSAGE);
}
}
});
...
Is there a fixed sized queue which removes excessive elements?
...s with an exception. It would be best ( and quite simple ) to wrap a Queue into a class of your own for having the functionality you need.
Once again, because all queues are children of AbstractQueue, simply use that as your internal data type and you should have a flexible implementation running ...
Inline functions in C#?
...
Finally in .NET 4.5, the CLR allows one to hint/suggest1 method inlining using MethodImplOptions.AggressiveInlining value. It is also available in the Mono's trunk (committed today).
// The full attribute usage is in mscorlib.dll,
// so should not need to include extr...