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Rounding up to next power of 2
... that time?). From : jameshfisher.com/2018/03/30/round-up-power-2.html uint64_t next_pow2(uint64_t x) { return x == 1 ? 1 : 1<<(64-__builtin_clzl(x-1)); } And for 32 bit : uint32_t next_pow2(uint32_t x) { return x == 1 ? 1 : 1<<(32-__builtin_clz(x-1)); } That is if you use GCC (and Cla...
C# - how to determine whether a Type is a number
...itive types are Boolean, Byte,
SByte, Int16, UInt16, Int32, UInt32,
Int64, UInt64, Char, Double,and
Single.
Taking Guillaume's solution a little further:
public static bool IsNumericType(this object o)
{
switch (Type.GetTypeCode(o.GetType()))
{
case TypeCode.Byte:
case Typ...
Download a file by jQuery.Ajax
...
You can with HTML5
NB: The file data returned MUST be base64 encoded because you cannot JSON encode binary data
In my AJAX response I have a data structure that looks like this:
{
result: 'OK',
download: {
mimetype: string(mimetype in the form 'major/minor'),
...
Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
...erou realised the same thing:
https://twitter.com/leaverou/status/1241619866475474946
And favicons were never the same again.
4) Implementing the solution yourself:
Here's a simple SVG:
<svg
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 16 16">
<text x="0" y="14">????</text&...
How to list the contents of a package using YUM?
... 00:00
extras | 3.4 kB 00:00
updates | 3.4 kB 00:00
(1/4): extras/7/x86_64/primary_db | 166 kB 00:00
(2/4): base/7/x86_64/group_gz | 155 kB 00:00
(3/4): updates/7/x86_64/primary_db | 9.1 MB 00:04
(4/4): base/7/x86_64/primary_db | 5.3 MB 00:05
Determining fastest mirrors
* base: mirrors.xmiss...
astah（原jude）建模软件64bit社区版 - 软件下载 - 清泛网 - 专注C/C++及内核技术
astah（原jude）建模软件64bit社区版astah_jude_community_editionastah jude 建模对日开发常用的建模软件astah（原名：jude），社区版，免费使用，不可用做商业用途。
对日开发常用的建模软件astah（原名：jude），社区版，免费使用（功能...
App Inventor 2 实现上传文件到服务器全方案总结 · App Inventor 2 中文网
...or 2 实现上传文件到服务器全方案总结
1、图片Base64化
2、通用（二级制）文件上传：通过Web客户端POST文件
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App Inventor 2 实现上传文件到服务器全方案总结
1、图片Base64化
图片Base64化，然后通过Web...
App Inventor 2 图片云端保存及访问的开发思路 · App Inventor 2 中文网
...
图片上传云端保存
图片Base64化，保存“网络微数据库”
使用“Web客户端”组件上传图片到三方图床
自己搭建私有图片服务器
云端图片访问
使用“Web浏览器”组件，访问图...
【解决】模拟器启动失败：ERROR: x86_64 emulation currently requires har...
... code 8
handle puAcceleration: feature check for hvf emulator: ERROR: x86_64 emulation currently requires
hardware acceleration!
CPU acceleration status: Hill is not installed on this machine
解决方法：
安装硬件加速器，路径：
....\resources\app.asar.unpacked\Emulator\from-Andr...
Keep only date part when using pandas.to_datetime
...the dates in my data. Pandas by default represents the dates with datetime64[ns] even though the dates are all daily only.
I wonder whether there is an elegant/clever way to convert the dates to datetime.date or datetime64[D] so that, when I write the data to CSV, the dates are not appended wi...