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Add text to Existing PDF using Python
...ext to an existing PDF using Python, what is the best way to go about this and what extra modules will I need to install.
8...
What's the most efficient test of whether a PHP string ends with another string?
The standard PHP way to test whether a string $str ends with a substring $test is:
13 Answers
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Best way to add “current” class to nav in Rails 3
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Your way suit best when there are some pages handled by different controller / actions but in the same menu item, right? Have you encountered more advantages~?
– PeterWong
Sep 15 '10 at 2:39
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Color picker utility (color pipette) in Ubuntu [closed]
I'am looking for a color picker utility on Ubuntu/Debian.
Anything simple and easy to use.
2 Answers
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Why do we need a pure virtual destructor in C++?
I understand the need for a virtual destructor. But why do we need a pure virtual destructor? In one of the C++ articles, the author has mentioned that we use pure virtual destructor when we want to make a class abstract.
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What is the colon operator in Ruby?
...ifferent objects, even if they are equal content. == compares the content, and the equivalent checks with symbols are much faster.
user system total real
string 0.370000 0.000000 0.370000 ( 0.371700)
str == str 0.330000 0.000000 0.330000 ( 0.326368...
How do I use a PriorityQueue?
... constructor overload which takes a Comparator<? super E> comparator and pass in a comparator which compares in the appropriate way for your sort order. If you give an example of how you want to sort, we can provide some sample code to implement the comparator if you're not sure. (It's pretty ...
Rails migration: t.references with alternative name?
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This works on Rails 5.1 and none of the other suggestions do. It's much cleaner, and feels right.
– stephenmurdoch
May 6 '17 at 2:03
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Is there a way to quickly find files in Visual Studio 2010?
...e gave the right answer:
Navigate To can show you a list of open files and lots more.
http://weblogs.asp.net/scottgu/archive/2009/10/21/searching-and-navigating-code-in-vs-2010-vs-2010-and-net-4-0-series.aspx
CTRL+COMMA is your friend.
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Calculate date/time difference in java [duplicate]
...hich even in JVM bytecode is a few instructions), less clear (it's longer, and frankly if something finds "1000" or "60" to be magic numbers in that context, they're not working with a full deck) and, pivotally, it doesn't do what the OP wanted.
– Parthian Shot
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