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How can I programmatically check whether a keyboard is present in iOS app?
...rary/documentation/UIKit/Reference/UITextField_Class/Reference/UITextField.html
Keyboard Notifications
When the system shows or hides the
keyboard, it posts several keyboard
notifications. These notifications
contain information about the
keyboard, including its size, which
you ca...
How to apply specific CSS rules to Chrome only?
...w.templatemonster.com/help/how-to-create-browser-specific-css-rules-styles.html
Apply specific CSS rules to Chrome only by using .selector:not(*:root) with your selectors:
div {
color: forestgreen;
}
.selector:not(*:root), .div1 {
color: #dd14d5;
}
<div class='div1'>DIV1</di...
What's the best way to build a string of delimited items in Java?
...le tokens)
http://developer.android.com/reference/android/text/TextUtils.html
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jQuery: Check if div with certain class name exists
...
@Hussein: The HTML5 css selector means that this will almost certainly always be the worst possible way to do this. -1 for not simply deleting your post.
– Stefan Kendall
Apr 26 '11 at 18:31
...
MySQL OPTIMIZE all tables?
...the OPTIMIZE TABLE command: dev.mysql.com/doc/refman/5.5/en/optimize-table.html. For example, optimize one table like this: OPTIMIZE TABLE <your_schema>.<your_table>;, optimize all tables in a given schema like this: select concat('OPTIMIZE NO_WRITE_TO_BINLOG TABLE ',table_schema,'.',tab...
Remote origin already exists on 'git push' to a new repository
...e the manual:
http://www.kernel.org/pub/software/scm/git/docs/git-remote.html
To remove a remote repository you enter:
git remote rm origin
Again "origin" is the name of the remote repository if you want to
remove the "upstream" remote:
git remote rm upstream
...
How to darken a background using CSS?
...und, placed as absolute and negative z-index :
http://jsfiddle.net/2YW7g/
HTML
<div class="main">
<div class="bg">
</div>
Hello World!!!!
</div>
CSS
.main{
width:400px;
height:400px;
position:relative;
color:red;
background-color:...
How to concatenate a std::string and an int?
...str();
}
Shamelessly stolen from http://www.research.att.com/~bs/bs_faq2.html.
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What can be the reasons of connection refused errors?
...TCP SYN packet and send a TCP RST back to you.
See https://tools.ietf.org/html/rfc793 page 69:
SYN-RECEIVED STATE
If the RST bit is set
If this connection was initiated with a passive OPEN (i.e., came
from the LISTEN state), then return this connection to LISTEN state
and return...
PHP - Move a file into a different folder on the server
... $file
arr[i]=$file
i=$((i+1))
done
mv -f "${arr[0]}" /var/www/html/
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