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Verify if a point is Land or Water in Google Maps
..._contents();
ob_end_clean();
echo "<img src='data:image/png;base64,".base64_encode($contents)."' />";
// here is the test : I only test 3 pixels ( enough to avoid rivers ... )
$hexaColor = imagecolorat($image,0,0);
$color_tran = imagecolorsforindex($image, $hexaColor);
...
How to get the IP address of the docker host from inside a docker container
...ocal-ipv4 ; echo"
fetch http://dl-cdn.alpinelinux.org/alpine/v3.3/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.3/community/x86_64/APKINDEX.tar.gz
v3.3.1-119-gb247c0a [http://dl-cdn.alpinelinux.org/alpine/v3.3/main]
v3.3.1-59-g48b0368 [http://dl-cdn.alpinelinux.org/alpine...
How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
...
Can someone confirm if this works when running in x64? I am pretty sure Jet only works if your app is compiled or running in 32-bit mode.
– Lamar
Sep 30 '08 at 1:45
...
Truncating floats in Python
...using the IEEE floating-point format into the sequence of bits (assuming a 64-bit float)
0011111111010011001100110011001100110011001100110011001100110011
This is the closest value to 0.3 that can accurately be represented as an IEEE float. But if you write 0.29999999999999998 in a Python program,...
Android: Background Image Size (in Pixel) which Support All Devices
...ces/screens_support.html
xxxhdpi: 1280x1920 px
xxhdpi: 960x1600 px
xhdpi: 640x960 px
hdpi: 480x800 px
mdpi: 320x480 px
ldpi: 240x320 px
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Write to UTF-8 file in Python
...
Thanks. That worked (Windows 7 x64, Python 2.7.5 x64). This solution works well when you open the file in mode "a" (append).
– Mohamad Fakih
Aug 23 '13 at 7:54
...
APP INVENTOR硬件交互学习教程04——蓝牙控制继电器 - 创客硬件开发 - 清泛...
这节主要是设计一个APP，连接蓝牙模块，通过按钮控制继电器的打开和关闭。
一、硬件部分
二、板子程序
串口接收字符，并输出控制继电器
// 引脚定义
const int ledPin1 = 5;// the number of the LED pin
const int ledPin2 = &...
What is the largest Safe UDP Packet Size on the Internet
...vers in order to comply with the max packet size defined by IPv4 (which is 64kb minus IP and UDP header sizes). en.wikipedia.org/wiki/User_Datagram_Protocol
– Pablo Ariel
Nov 1 '18 at 21:08
...
.NET JIT potential error?
...rt it to Microsoft and see what they say. Interestingly, I found that the x64 JIT does not have the same problem.
Here is my reading of the x86 JIT.
// save context
00000000 push ebp
00000001 mov ebp,esp
00000003 push edi
00000004 push esi
00000005 push ...
How to send password securely over HTTP?
...
The resulting string is encoded using
the RFC2045-MIME variant of Base64, except not limited to 76
char/line.
The authorization method and a space i.e. "Basic " is then
put before the encoded string.
source: Wikipedia: Authorization header
It might seem a bit complicated, but...