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What is a void pointer in C++? [duplicate]
...matted memory. This is what operator new and malloc return: a pointer to a block of memory of a certain size. Since the memory does not have a type (because it does not have a properly constructed object in it yet), it is typeless. IE: void.
It is an opaque handle; it references a created object wit...
Graphical DIFF programs for linux [closed]
...d diffuse and it gave saner comparison results than meld on a file where a block was moved into an if statement (+1). However, you can't point diffuse at 2 directories, it's files only (-1).
– w00t
Apr 2 '14 at 14:18
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Connect Device to Mac localhost Server? [closed]
...to do with changing a firewall setting. It turned out that node was set to block incoming traffic. I knew something was up because I used to be able to get to my localhost server from my phone.
Go to System Preferences -> Security & Privacy -> Firewall -> Firewall Options, and then scr...
How to maintain aspect ratio using HTML IMG tag
...splay images of arbitrary size in the 64x64px "frames", you can use inline-block wrappers and positioning for them, like in this fiddle.
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How do you check in python whether a string contains only numbers?
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You can use try catch block here:
s="1234"
try:
num=int(s)
print "S contains only digits"
except:
print "S doesn't contain digits ONLY"
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GSON - Date format
...ate format.
Ordinarily, I don't think it's good practice to use try/catch blocks, but this should be a fairly rare case.
How to center absolute div horizontally using CSS?
...ffset to the [left/right] of the [right/left] edge of the box's containing block.
Source:
http://www.w3.org/TR/CSS2/visuren.html#position-props
Note: The element must have a width smaller than the window or else it will take up the entire width of the window.
If you could use media querie...
What purpose does a tag serve inside of a tag?
... interesting design and content. One of those websites, Squarespace , has blocks of <script> tags inside of a <noscript> tag, like so:
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How to test if parameters exist in rails
...whether or not both parameters are set, the first part of the following if block gets triggered. How can I make this part ONLY get triggered if both params[:one] and params[:two] is set?
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How can I redirect the output of the “time” command?
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no need to launch sub shell. Use a code block will do as well.
{ time ls; } 2> out.txt
or
{ time ls > /dev/null 2>&1 ; } 2> out.txt
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