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Are Exceptions in C++ really slow
..., and thus not trivial compared to pure CPU code.
Note: for more details, read the TR18015 report, chapter 5.4 Exception Handling (pdf)
So, yes, exceptions are slow on the exceptional path, but they are otherwise quicker than explicit checks (if strategy) in general.
Note: Andrei Alexandrescu see...
What is Objective C++? [closed]
... Xcode -- name your files with the .mm extension.
Also, you might want to read Apple's (sadly deleted, but archived) documentation on Objective-C++.
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Creating an object: with or without `new` [duplicate]
This is probably a basic question, and might have already been asked (say, here ); yet I still don't understand it. So, let me ask it.
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bundle install returns “Could not locate Gemfile”
... Avoid using sudo to install gems. This will cause you pain. Read more: thoughtbot.com/blog/psa-do-not-use-system-ruby
– David Hempy
Mar 5 at 13:39
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How to store printStackTrace into a string [duplicate]
... what about closing PrintWriter after usage to release resources? Reading the docs I found that is not necessary for StringWriter.
– jelies
Jan 22 '14 at 9:29
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When to use LinkedList over ArrayList in Java?
...) for index = 0.
ArrayList<E>, on the other hand, allow fast random read access, so you can grab any element in constant time. But adding or removing from anywhere but the end requires shifting all the latter elements over, either to make an opening or fill the gap. Also, if you add more elem...
How to check if a file exists in a folder?
...Noe that this answer returns false if the user does not have permission to read the file. So it does more than just checkinf if the file exists in a folder. You might want to use DirectoryInfo.GetFiles() and enumerate the result.
– ogborstad
Feb 10 '15 at 8:50
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Remove all multiple spaces in Javascript and replace with single space [duplicate]
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i'm reading data in from a txt file (via AJAX), and @InfinitiesLoop regex worked fine but Josiah's didn't
– Jeff
Apr 23 '12 at 13:48
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How do you convert a byte array to a hexadecimal string, and vice versa?
...ing. String myValue = 10.ToString("X"); myValue is "A" not "0A". Now go read that string back into bytes, oops you broke it.
– 00jt
Jan 30 '13 at 19:25
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How do I get a value of a using jQuery?
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Assuming you intended it to read id="item1", you need
$('#item1 span').text()
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