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what is the basic difference between stack and queue?
...are stored on a stack.
High-level programming languages such as Pascal, c, etc. that provide support for recursion use the stack for bookkeeping. Remember in each recursive call, there is a need to save the current value of parameters, local variables, and the return address (the address to which th...
jQuery get mouse position within an element
... A box with "position: relative" will make the "top" and "left" (etc.) setting for child boxes by relative to the relative parent box's content rectangle.
– Pointy
Dec 4 '10 at 21:58
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Check if a string is null or empty in XSLT
... @raffian: in XSLT, or related technologies (XQuery, DOM, XDM, Schema etc), end-tags are not considered as separate entities. Instead, you only deal with nodes, or elements in this case, which is the whole between start-tag and end-tag. In short, there is no way to test for </CategoryName>...
Is there a way to make text unselectable on an HTML page? [duplicate]
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Likewise in Safari/Chrome/etc. -khtml-user-select:none;
– Brandon DuRette
Feb 23 '09 at 16:29
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How to set a timer in android
...n is not currently running. For normal timing operations (ticks, timeouts, etc) it is easier and much more efficient to use Handler."
– Christopher Perry
Nov 5 '11 at 18:42
5
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how to detect search engine bots with php?
...n set the user-agent to what they want, looking for 'Googlebot', 'bingbot' etc is only half the job.
The 2nd part is verifying the client's IP. In the old days this required maintaining IP lists. All the lists you find online are outdated. The top search engines officially support verification thro...
How to turn a String into a JavaScript function call? [duplicate]
...al
itemActions = { click: clickedOnItem, rightClick: rightClickedOnItem /* etc */ };
// Later...
var actionName = "click"; // Or wherever you got the action name
var actionToDo = itemActions[actionName];
actionToDo(t.parentNode.id);
(Minor note: If instead here you used syntax itemActions[actionN...
How do I Search/Find and Replace in a standard string?
...number of items substituted (for use if you want to successively run this, etc). To use it:
std::string str = "one two three";
int n = findAndReplace(str, "one", "1");
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How do you create a daemon in Python?
...rectly if started inside an already-detached context, such as init, inetd, etc.
set up signal handlers for sensible daemon behaviour, but also with specific handlers determined by the use case
redirect the standard streams stdin, stdout, stderr since a daemon process no longer has a controlling term...
How do I convert a String to an int in Java?
...e same is for all cases: Short.valueOf/parseShort, Long.valueOf/parseLong, etc.
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