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Check if EditText is empty. [closed]
I have 5 EditTexts in android for users to input. I would like to know if I could have a method for checking all the 5 EditTexts if they are null. Is there any way to do this??
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Correct way to define Python source code encoding
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Check the docs here:
"If a comment in the first or second line of the Python script matches the regular expression coding[=:]\s*([-\w.]+), this comment is processed as an encoding declaration"
"The recommended forms of this expression are
# -*- coding: <encoding-name&...
Windows: XAMPP vs WampServer vs EasyPHP vs alternative [closed]
...-hand, not using any package like those you're talking about.
It's a bit more work, yes; but knowing how to install and configure your environment is great -- and useful.
The first time, you'll need maybe half a day or a day to configure those. But, at least, you'll know how to do so.
And the nex...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...estion you should be asking yourself is, "Do I want to use the raw driver, or do I need an object-document modeling tool?" If you're looking for an object modeling (ODM, a counterpart to ORMs from the SQL world) tool to skip some lower level work, you want Mongoose.
If you want a driver, because yo...
CSS horizontal centering of a fixed div?
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it doesn't work as intended when you resize the browser window.
– user126284
Aug 27 '11 at 4:37
3
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Read file from line 2 or skip header row
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with open(fname) as f:
next(f)
for line in f:
#do something
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How to move screen without moving cursor in Vim?
I recently discovered Ctrl + E and Ctrl + Y shortcuts for Vim that respectively move the screen up and down with a one line step, without moving the cursor .
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C# short/long/int literal format?
... = 1L; // long
I think that's all... there are no literal specifiers for short/ushort/byte/sbyte
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How to return smart pointers (shared_ptr), by reference or by value?
...ization (RVO), so you won't incur a increment-increment-decrement sequence or something like that in modern compilers. So the best way to return a shared_ptr is to simply return by value:
shared_ptr<T> Foo()
{
return shared_ptr<T>(/* acquire something */);
};
This is a dead-obviou...
How do you serve a file for download with AngularJS or Javascript?
... textarea. When a button is clicked I would like to have the text offered for download as a .txt file. Is this possible using AngularJS or Javascript?
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