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Canvas is stretched when using CSS but normal with “width” / “height” properties
I have 2 canvases, one uses HTML attributes width and height to size it, the other uses CSS:
8 Answers
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How do I send a cross-domain POST request via JavaScript?
...
Update: Before continuing everyone should read and understand the html5rocks tutorial on CORS. It is easy to understand and very clear.
If you control the server being POSTed, simply leverage the "Cross-Origin Resource Sharing standard" by setting response headers on the server. This answ...
Enterprise app deployment doesn't work on iOS 7.1
...ployment doesn't work on iOS 7.1 and my own experience).
Create a download.html file with a link formatted as <a href="itms-services://?action=download-manifest&url=https://dl.dropboxusercontent.com/s/qgknrfngaxazm38/app.plist">INSTALL!!</a>
Upload your download.html to dropbox
Again...
Optimise PostgreSQL for fast testing
...st users) under PostgreSQL 9.3: postgresql.org/docs/9.3/static/release-9-3.html#AEN114343
– Gunnlaugur Briem
Sep 19 '13 at 14:18
1
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pip issue installing almost any library
...34, http://pyfound.blogspot.ca/2017/01/time-to-upgrade-your-python-tls-v12.html and https://bugs.python.org/issue17128.
Update Feb 2019:
For some it may be sufficient to upgrade pip. If the above error prevents you from doing this, use get-pip.py. E.g. on Linux,
curl https://bootstrap.pypa.io/ge...
How comment a JSP expression?
... in client machine (Browser source code).
2. <!-- comment -->
An HTML comment. Ignored by the browser.
It is visible in client machine (Browser source code) as a comment.
3. <% my code //my comment %>
Java Single line comment. Ignored by the Compiler.
Not visib...
require file as string
...w deprecated for anyone who comes across this post. nodejs.org/api/globals.html#globals_require_extensions
– blockloop
Jul 17 '13 at 18:35
2
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CSS让文字半透明显示在图片上层 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，文字和背景半透明。鼠标经过边框换色。效果图：
HTML代码如下：
<html>
<head>
<meta http-equiv="Content-Type" mrc="text/html; charset=gb2312" />
<title>文字显示在图片上</title>
<style type="text/css">
*{border:none;text-decoration:none}
.wrap{margin:8p...
怎样禁止访问网站目录下.svn文件夹？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...件夹？.htaccess中添加如下规则（url包含.svn就定向到index.html）：RewriteEngine OnRewriteBase RewriteCond %{REQUEST_URI} ^(.*( .svn)+.*)$ RewriteRule (.*) index.html.htaccess中添加如下规则（url包含.svn就定向到index.html）：
RewriteEngine On
RewriteBase /
Rewri...
css中使用变量，:root伪元素的使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...我的愚蠢）
:root这个css伪类匹配文档树的根元素，对html来说代表<html>元素，除了优先级更高之外，和html选择器相同
2. css变量
也可以称之为自定义属性，总之是开发者自己定义的，比如在一个class中可以这样定义
.box {
...