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How do I align views at the bottom of the screen?
... will be aligned to the end and the bottom of the screen.
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_height="...
UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 20: ordinal not in rang
...
You need to read the Python Unicode HOWTO. This error is the very first example.
Basically, stop using str to convert from unicode to encoded text / bytes.
Instead, properly use .encode() to encode the string:
p.agent_info = u' '.join((agent_contact, agent_telno)).encode('...
pip installing in global site-packages instead of virtualenv
... bin/pip and bin/activate scripts. In bin/pip, look at the shebang. Is it correct? If not, correct it. Then on line ~42 in your bin/activate, check to see if your virtualenv path is right. It'll look something like this
VIRTUAL_ENV="/Users/me/path/to/virtual/environment"
If it's wrong, correct it...
class
...t; self opens up self's singleton class, so that methods can be redefined for the current self object (which inside a class or module body is the class or module itself). Usually, this is used to define class/module ("static") methods:
class String
class << self
def value_of obj
o...
Is there a performance difference between i++ and ++i in C?
Is there a performance difference between i++ and ++i if the resulting value is not used?
14 Answers
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Is there a way to pass the DB user password into the command line tool mysqladmin?
...ently use the following but it ALWAYS prompts me to manually type the password. Is there any way to pass it in on the command line when launching the executable?
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What does the property “Nonatomic” mean?
...e Apple Docs.
Basically, if you say nonatomic, and you generate the accessors using @synthesize, then if multiple threads try to change/read the property at once, badness can happen. You can get partially-written values or over-released/retained objects, which can easily lead to crashes. (This is p...
How do I intercept a method call in C#?
For a given class I would like to have tracing functionality i.e. I would like to log every method call (method signature and actual parameter values) and every method exit (just the method signature).
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Which concurrent Queue implementation should I use in Java?
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Basically the difference between them are performance characteristics and blocking behavior.
Taking the easiest first, ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the insert statement will block unt...
How to generate a random string of a fixed length in Go?
I want a random string of characters only (uppercase or lowercase), no numbers, in Go. What is the fastest and simplest way to do this?
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