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What's Pros and Cons: putting javascript in head and putting just before the body close
Most of javascript and web development books/articles says that you must put CSS in the head tag and javascript at the bottom of the page.
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Can I have multiple :before pseudo-elements for the same element?
...pseudo-element at any time. (This means an element can have both a :before and an :after pseudo-element — it just cannot have more than one of each kind.)
As a result, when you have multiple :before rules matching the same element, they will all cascade and apply to a single :before pseudo-elemen...
Possible heap pollution via varargs parameter
I understand this occurs with Java 7 when using varargs with a generic type;
5 Answers
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Creating a CSS3 box-shadow on all sides but one
... */
background:#fff; /* a solid background (non transparent) */
}
and change #content style (remove paddings) and add shadow
#content {
font-size: 1.8em;
box-shadow: 0 0 8px 2px #888; /* line shadow */
}
add shadows to tabs:
#nav li a {
margin-left: 20px;
padding: .7em ....
SET versus SELECT when assigning variables?
What are the differences between the SET and SELECT statements when assigning variables in T-SQL?
4 Answers
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Xcode doesn't show the line that causes a crash
...Xcode, click on the breakpoint navigator (almost all the way to the right hand side of the top button bar. The icon looks like a fat right arrow).
At the bottom of the navigator, click the "+" button.
Click "Add Exception Breakpoint".
A new breakpoint will be created. It should be configured as ne...
How do you keep user.config settings across different assembly versions in .net?
... similar.
Then, at application start you check to see if the flag is set and if it is, call the Upgrade method, set the flag to false and save your configuration.
if (Settings.Default.UpgradeRequired)
{
Settings.Default.Upgrade();
Settings.Default.UpgradeRequired = false;
Settings.Def...
Memory management in Qt?
I'm quite new to Qt and am wondering on some basic stuff with memory management and the life of objects. When do I need to delete and/or destroy my objects? Is any of this handled automatically?
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Current time in microseconds in java
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This Answer is now outdated. The OpenJDK and Oracle implementations of Java 9 come with a new implementation of Clock that provides for capturing the current moment with a resolution finer than milliseconds. On a MacBook Pro Retina I am getting the current time in m...
How to pass arguments and redirect stdin from a file to program run in gdb?
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Pass the arguments to the run command from within gdb.
$ gdb ./a.out
(gdb) r < t
Starting program: /dir/a.out < t
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