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Convert SVG to PNG in Python
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@jsbueno I use Windows 8.1 and python 2.7.11 How can I install cairo and rsvg and make it work. I was struggling to make this work. BTW +1 for your detailed explanation.
– Marlon Abeykoon
Sep 9 '16 at ...
浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...小，也就是说最大值是64KB，如果超过它，就需要使用tcp_window_scaling机制。参考：TCP Windows and Window Scaling。
Linux中通过配置内核参数里接收缓冲的大小，进而可以控制接收窗口的大小：
shell> sysctl -a | grep mem
net.ipv4.tcp_rmem = <MIN>...
Remove a file from a Git repository without deleting it from the local filesystem
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git rm --cached `git ls-files -i -X .gitignore`
Or, alternatively, on Windows Powershell:
git rm --cached $(git ls-files -i -X .gitignore)
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How to tell which commit a tag points to in Git?
...mmit} (answer) will show a SHA1 of both annotated and unannotated tags. On Windows use git rev-parse --verify %TAG%^^^^{commit} (four hats).
cat .git/refs/tags/* or cat .git/packed-refs (answer) depending on whether or not the tag is local or fetched from remote.
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Why is a round-trip conversion via a string not safe for a double?
...s.onClickDraftSave('#login-link');
var $window = $(window),
onScroll = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.sc...
Scale image to fit a bounding box
...tainer.style.height = (500 + 500 * Math.sin(timestamp * 1.3)) + 'px';
window.requestAnimationFrame(step);
}
window.requestAnimationFrame(step);
#container {
outline: 1px solid black;
position: relative;
background-color: red;
}
#image {
display: block;
max-width:...
How do I associate file types with an iPhone application?
...ream-redirector</string>
<string>com.microsoft.windows-media-wmv</string>
<string>com.microsoft.windows-media-wmp</string>
<string>com.microsoft.windows-media-wma</string>
<string>...
Alarm 闹钟扩展 · App Inventor 2 中文网
...运行时启动另一个应用程序，需要额外的权限 (SYSTEM_ALERT_WINDOW)（参见 从后台启动活动的限制，最后一点）。此权限无法通过程序设置，必须通过对话框由用户确认（参见 Android 10和小米设备的额外权限）。示例中展示了解决此...
New line in text area
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Doesn't it depend on Windows vs. macOS whether both the line-feed and carriage-return characters are needed, or even parsed right?
– SeizeTheDay
Sep 3 '19 at 13:57
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How can I pass a parameter to a setTimeout() callback?
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window.setTimeout is a DOM method, and as such is not defined by the ECMAScript specification. Passing a string has always worked in browsers, and is a de facto standard—in fact, ability to pass a function object was added...