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Event listener for when element becomes visible?
I am building a toolbar that is going to be included into a page. the div it is going to be included in will default to display:none . Is there a way i can put an event listener on my toolbar to listen for when it becomes visible so it can initialize? or will I have to pass it a variable from the c...
Is there a “previous sibling” selector?
The plus sign ( + ) is for the next sibling.
17 Answers
17
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Java code To convert byte to Hexadecimal
... '0' - The result will be zero-padded
Width 2
Conversion 'X' - The result is formatted as a hexadecimal integer, uppercase
Looking at the text of the question, it's also possible that this is what is requested:
String[] arr = {"-1", "0", "10", "20" };
for (int i = 0; i < arr.lengt...
Is std::vector so much slower than plain arrays?
I've always thought it's the general wisdom that std::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so:
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What is the difference between a schema and a table and a database?
This is probably a n00blike (or worse) question. But I've always viewed a schema as a table definition in a database. This is wrong or not entirely correct. I don't remember much from my database courses.
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Adaptive segue in storyboard Xcode 6. Is push deprecated?
...‘Show’ instead of ‘Push’
How can I make "show" work like push? Is it possible or should I use
"push (depricated)" instead?
It should; it does for me. I am using Xcode 6 beta 2 and to test I used the single view template (calling the pre made view controller in IB ‘VC_A’). I then ...
PHP: How to check if image file exists?
I need to see if a specific image exists on my cdn.
20 Answers
20
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How to check if a map contains a key in Go?
...ill receive either the value of "foo" from the map or a "zero value" (in this case the empty string) and ok will receive a bool that will be set to true if "foo" was actually present in the map
evaluates ok, which will be true if "foo" was in the map
If "foo" is indeed present in the map, the body...
What's the fastest algorithm for sorting a linked list?
I'm curious if O(n log n) is the best a linked list can do.
13 Answers
13
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What is the best open XML parser for C++? [duplicate]
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How about RapidXML? RapidXML is a very fast and small XML DOM parser written in C++. It is aimed primarily at embedded environments, computer games, or any other applications where available memory or CPU processing power comes at a premium. RapidXML is ...