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Android: Expand/collapse animation
... if(interpolatedTime == 1){
v.setVisibility(View.GONE);
}else{
v.getLayoutParams().height = initialHeight - (int)(initialHeight * interpolatedTime);
v.requestLayout();
}
}
@Override
public boole...
How to move/rename a file using an Ansible task on a remote system
...use removes: /path/to/foo and creates: /path/to/bar. @Fonant already mentioned this as comment on another answer, but as this is the accepted one, I want to point it out again.
– Michael Trojanek
Sep 11 '17 at 16:10
...
What is the best CSS Framework and are they worth the effort?
Reading on another forum I've came across the world of CSS Frameworks. The one I've been specifically looking at is BluePrint . I was wondering if anyone else had come across CSS frameworks, suggest which is the best and if they are worth the effort?
...
Designing function f(f(n)) == -n
...sitive integer will overflow, so it will work for all integers except that one.
To make it work for real numbers you need to replace the n in (-1)n with { ceiling(n) if n>0; floor(n) if n<0 }.
In C# (works for any double, except in overflow situations):
static double F(double n)
{
if ...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
...ror. Numerous configurations of the slf4j-api and logback were tested but none seem to work.
10 Answers
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When to use IMG vs. CSS background-image?
...
I'm surprised no one's mentioned this yet: CSS transitions.
You can natively transition a div's background image:
#some_div {
background-image:url(image_1.jpg);
-webkit-transition:background-image 0.5s;
/* Other vendor-prefixed ...
Why must jUnit's fixtureSetup be static?
...
JUnit always creates one instance of the test class for each @Test method. This is a fundamental design decision to make it easier to write tests without side-effects. Good tests do not have any order-of-run dependencies (see F.I.R.S.T) and creat...
Passing an array to a query using a WHERE clause
...
for newbies to PHP like myself, can someone explain, or point me to a resource to explain, why this is prone to injection and how this should be done correctly to prevent that? What if the list of IDs is generated from a query immediately before this next query is...
Ruby: Can I write multi-line string with no concatenation?
...eeded (easy multi-line concatenation WITHOUT extra whitespace), but since none of the actual answers had it, I'm compiling them here:
str = 'this is a multi-line string'\
' using implicit concatenation'\
' to prevent spare \n\'s'
=> "this is a multi-line string using implicit concatenation ...
PHP and MySQL - how to avoid password in source code? [duplicate]
...ore the file. On the other hand, you might want a skeleton of the file, or one with reasonable defaults (the latter does not apply to login data, of course), to be version controlled. A common way to deal with that is to have a checked-in template configuration file, and the installation procedure c...