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iPhone: How to get current milliseconds?
...t we can make a function and do as follows
func getCurrentMillis()->Int64{
return Int64(NSDate().timeIntervalSince1970 * 1000)
}
var currentTime = getCurrentMillis()
Though its working fine in Swift 3.0 but we can modify and use the Date class instead of NSDate in 3.0
Swift 3.0
func g...
Is it possible to print a variable's type in standard C++?
...fix(prefix.size());
name.remove_suffix(suffix.size());
return name;
}
Demo.
Similarly, to get the enum name at compile-time, if you like :)
#include <string_view>
template <auto E>
constexpr auto enum_name() noexcept {
static_assert(std::is_enum_v<decltype(E)>);
std::stri...
Set custom HTML5 required field validation message
...
You can simply achieve this using oninvalid attribute,
checkout this demo code
<form>
<input type="email" pattern="[^@]*@[^@]" required oninvalid="this.setCustomValidity('Put here custom message')"/>
<input type="submit"/>
</form>
Codepen Demo: https://codepen.io/...
Visual Studio 2013 Update 4【VS2013 SP4 旗舰版下载地址】 - 其他 - 清泛...
vs2013没有64位版本，但是提供64位编译器，可以编译64位程序。
Visual Studio Ultimate 2013 with Update 4 (x86) - DVD (Chinese-Simplified)：7255 MB
发布日期： 2014/11/12
文件名： cn_visual_studio_ultimate_2013_with_update_4_x86_dvd_5935081.iso
语言： Chinese - Si...
NodeJS: Saving a base64-encoded image to disk
My Express app is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simply identifies it as "data".
...
How to inspect the return value of a function in GDB?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Where am I wrong about my project and these Javascript Frameworks?
...ith Bootstrap and Famo.us. It also generates mobile apps from the same codebase.
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What optimizations can GHC be expected to perform reliably?
...ersion 7.4.2, stage 2 booted by GHC version 7.4.1
Using binary package database: /usr/lib/ghc-7.4.2/package.conf.d/package.cache
wired-in package ghc-prim mapped to ghc-prim-0.2.0.0-7d3c2c69a5e8257a04b2c679c40e2fa7
wired-in package integer-gmp mapped to integer-gmp-0.4.0.0-af3a28fdc4138858e0c7c5ecc2...
Pandas percentage of total with groupby
...e level='state' kwarg in div tells pandas to broadcast/join the dataframes base on the values in the state level of the index.
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Random alpha-numeric string in JavaScript? [duplicate]
...'#A!'));
Fiddle: http://jsfiddle.net/wSQBx/2/
Alternatively, to use the base36 method as described below you could do something like this:
function randomString(length) {
return Math.round((Math.pow(36, length + 1) - Math.random() * Math.pow(36, length))).toString(36).slice(1);
}
...