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Is it possible to declare two variables of different types in a for loop?
...and clang for years (since gcc-7 and clang-4.0) (clang live example). This allows us to unpack a tuple like so:
for (auto [i, f, s] = std::tuple{1, 1.0, std::string{"ab"}}; i < N; ++i, f += 1.5) {
// ...
}
The above will give you:
int i set to 1
double f set to 1.0
std::string s set to "...
Remove blank attributes from an Object in Javascript
How do I remove all attributes which are undefined or null in a JavaScript object?
37 Answers
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Fastest hash for non-cryptographic uses?
I'm essentially preparing phrases to be put into the database, they may be malformed so I want to store a short hash of them instead (I will be simply comparing if they exist or not, so hash is ideal).
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C++ Best way to get integer division and remainder
... experiment with g++ 6.3.0 on x86_64 revealed that with no optimization at all, you get two idivl instructions, but with -O1 or greater, you get one. As the manual says, “Without any optimization option … Statements are independent”.
– Tom Zych
Oct 15 '17...
What is the difference between attribute and property? [closed]
...roperties.
To further confuse things, changes to the properties will typically update the attributes.
For example, changing the element.href property will update the href attribute on the element, and that'll be reflected in a call to element.getAttribute('href').
However if you subsequently read...
FAT32文件系统格式详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
FAT32文件系统格式详解Windows95 OSR2和Windows 98开始支持FAT32 文件系统，它是对早期DOS的FAT16文件系统的增强，由于文件系统的核心--文件分配表FAT由16位扩...Windows95 OSR2和Windows 98开始支持FAT32 文件系统，它是对早期DOS的FAT16文件系统...
Change auto increment starting number?
... but it has been fixed in 5.6.16 and 5.7.4, see bugs.mysql.com/bug.php?id=69882
– Daniel Vandersluis
Apr 9 '14 at 14:35
3
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Is there an easy way to request a URL in python and NOT follow redirects?
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Aaron MaenpaaAaron Maenpaa
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C++0x has no semaphores? How to synchronize threads?
...ck Overflow regarding the use of semaphores. I use them (posix semaphores) all the time to let a thread wait for some event in another thread:
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Accessing Object Memory Address
When you call the object.__repr__() method in Python you get something like this back:
9 Answers
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