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Overflow Scroll css is not working in the div
...
The solution is to add height:100%; to all the parent elements of your .wrapper-div as well. So:
html{
height: 100%;
}
body{
margin:0;
padding:0;
overflow:hidden;
height:100%;
}
#container{
width:1000px;
margin:0 auto;
height:100...
What's better at freeing memory with PHP: unset() or $var = null
I realise the second one avoids the overhead of a function call ( update , is actually a language construct), but it would be interesting to know if one is better than the other. I have been using unset() for most of my coding, but I've recently looked through a few respectable classes found off t...
Android: AutoCompleteTextView show suggestions when no text entered
...old is less than or equals 0, a threshold of 1 is
applied.
You can manually show the drop-down via showDropDown(), so perhaps you can arrange to show it when you want. Or, subclass AutoCompleteTextView and override enoughToFilter(), returning true all of time.
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How to concatenate two strings in C++?
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First of all, don't use char* or char[N]. Use std::string, then everything else becomes so easy!
Examples,
std::string s = "Hello";
std::string greet = s + " World"; //concatenation easy!
Easy, isn't it?
Now if you need char con...
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
... Communications link failure, then it means that the DB isn't reachable at all. This can have one or more of the following causes:
IP address or hostname in JDBC URL is wrong.
Hostname in JDBC URL is not recognized by local DNS server.
Port number is missing or wrong in JDBC URL.
DB se...
Using .gitignore to ignore everything but specific directories
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Here's how I did it - you essentially have to walk up the paths, you can't wildcard more than one level in any direction:
# Ignore everything:
*
# Except for the themes directories:
!wordpress/
!wordpress/*/
!wordpress/*/wp-content/
!wordpress/*/wp-conten...
Clone() vs Copy constructor- which is recommended in java [duplicate]
...rclass since the
Beta-release days of the Java
compiler*; and it, like all ancient
magic, requires the appropriate
incantation to prevent the spell from
unexpectedly backfiring
Prefer a method that copies the object
Foo copyFoo (Foo foo){
Foo f = new Foo();
//for all properties in F...
Using MemoryStore in production
...evelopment mode, because if your app restarts (process dies) you will lose all the session data (that resided in the memory of that process).
If you don't want to use a database, use encrypted cookie storage instead.
http://www.senchalabs.org/connect/cookieSession.html
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Is it possible to embed animated GIFs in PDFs?
... same thing? Adobe InDesign is >$300/year. Also it's SO policy to actually copy the answer into the post - the translated page says to do the following: 1) Open the GIF in Quicktime and save as MOV (I could only get that to work with an AVI). 2) Insert the MOV into the PDF with Adobe InDesign ...
Difference between binary semaphore and mutex
...ere any difference between a binary semaphore and mutex or are they essentially the same?
34 Answers
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