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How do I print the elements of a C++ vector in GDB?
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To view vector std::vector myVector contents, just type in GDB:
(gdb) print myVector
This will produce an output similar to:
$1 = std::vector of length 3, capacity 4 = {10, 20, 30}
To achieve above, you need to have gdb 7 (I tested it on gdb 7.01...
Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...一个值，你发现只需一次确定，却用在多个地方。
var myVariable = 42
myVariable = 50
let myConstant = 42
Note
gashero注记
这里的常量定义类似于函数式编程语言中的变量，一次赋值后就无法修改。多多使用有益健康。
一个常量或...
Maximum Length of Command Line String
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In Windows 10, it's still 8191 characters...at least on my machine.
It just cuts off any text after 8191 characters. Well, actually, I got 8196 characters, and after 8196, then it just won't let me type any more.
Here's a script that will test how long of a statement you can use...
How to import a Python class that is in a directory above?
...).
some_directory/
foo.py # `if __name__ == "__main__":` lives here
My preference is to create setup.py as sibling to foo.py, because it makes writing the setup.py file simpler, however you can write configuration to change/redirect everything setuptools does by default if you like; for examp...
What does iota of std::iota stand for?
...quantity”. The OED's earliest known usage of this meaning is from Clavis mystica by Daniel Featley in 1636:
Shall we lose, or sleightly pass by, any iota or tittle of the Booke of God?
Clavis mystica is a guide to parts of the Bible, and this sentence is in particular referring to Matthew 5:...
Difference between float and decimal data type
What difference does it make when I use float and decimal data types in MySQL?.
12 Answers
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Rails has_and_belongs_to_many migration
...sion that the column order didn't matter. I'm no DBA, just want to further my own understanding. Thanks!
– plainjimbo
Apr 2 '12 at 21:19
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What is the concept of erasure in generics in Java?
...most always an issue - but it's at least reasonably frequently an issue in my experience. There are various places where I'm forced to add a Class<T> parameter to a constructor (or generic method) simply because Java doesn't retain that information. Look at EnumSet.allOf for example - the gene...
git --git-dir not working as expected
...ir as well. Confusing I know but it's a flexibility thing.
git --git-dir=/mycode/.git --work-tree=/mycode status
You can read a little more here
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What does principal end of an association means in 1:1 relationship in Entity framework
...s this possible? I posted a separate question.
– Shimmy Weitzhandler
Nov 28 '12 at 16:15
10
You h...