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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
Since setting up my development environments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly.
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Redirecting stdout to “nothing” in python
... of sufficiently large number of modules, each printing something to the standard output. Now as the project has grown in size, there are large no. of print statements printing a lot on the std out which has made the program considerably slower.
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OS X10.9 环境下部署 QT5.3.1 常见的编译问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
OS X10.9 环境下部署 QT5.3.1 常见的编译问题出于本身对UNIX系统的好奇，以及身边一群对 Swift 语言各种推崇的苹果教徒的影响，这几天折腾起 MAC OS X来，体验下这个被无数开发者...
出于本身对UNIX系统的好奇，以及身边一群对 Swift ...
Get path from open file in Python
...file.TemporaryFile you mentioned. This is specific case for temporary file and, as seen in the docs, there is already existing solution. tempfile.TemporaryFile is not meant to be used in case you want to read the name.
– Tadeck
Dec 6 '12 at 21:12
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Making the iPhone vibrate
...AlertSound(kSystemSoundID_Vibrate)
Instead of having to go thru the extra cast step
(Props to @Dov)
Original Answer (Swift 1.x)
And, here's how you do it on Swift (in case you ran into the same trouble as I did)
Link against AudioToolbox.framework (Go to your project, select your target, build phas...
ORDER BY the IN value list
...r but note that array_position does not work with bigint and you'd need to cast: order by array_position(array[42,48,43], c.id::int); which, may lead to bugs in some cases.
– aaandre
Sep 27 '19 at 19:53
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Import multiple csv files into pandas and concatenate into one DataFrame
I would like to read several csv files from a directory into pandas and concatenate them into one big DataFrame. I have not been able to figure it out though. Here is what I have so far:
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How to make the hardware beep sound in Mac OS X 10.6
... just want that Mac OS X 10.6 does a hardware beep sound like in open suse and other distributions. I tried following approaches
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How to concatenate a std::string and an int?
...= 21;
std::string result;
// 1. with Boost
result = name + boost::lexical_cast<std::string>(age);
// 2. with C++11
result = name + std::to_string(age);
// 3. with FastFormat.Format
fastformat::fmt(result, "{0}{1}", name, age);
// 4. with FastFormat.Write
fastformat::write(result, name, age...
When should I use a struct rather than a class in C#?
...e that when a struct implements an interface - as Enumerator does - and is cast to that implemented type, the struct becomes a reference type and is moved to the heap. Internal to the Dictionary class, Enumerator is still a value type. However, as soon as a method calls GetEnumerator(), a reference-...