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Why is the tag deprecated in HTML?
... center element was deprecated in HTML 4.01, and is not supported in XHTML 1.0 Strict DTD.
The HTML 4.01 spec gives this reason for deprecating the tag:
The CENTER element is exactly equivalent to specifying the DIV element with the align attribute set to "center".
...
Convert SVG to image (JPEG, PNG, etc.) in the browser
...SVG to blob URL and blob URL to png image
const svg=`<svg version="1.1" baseProfile="full" width="300" height="200"
xmlns="http://www.w3.org/2000/svg">
<rect width="100%" height="100%" fill="red" />
<circle cx="150" cy="100" r="80" fill="green" />
<text x="150"...
Making a LinearLayout act like an Button
....
Normal state xml (drawable/rounded_edges_normal.xml)
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="#FFFFFF" />
...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...理请求的函数，主要流程如下：
1. 对于每个request，
1.1 将这个request从所在的message中摘下来(request_list_node)
1.2. 回调应用层传入的process：
process函数返回EASY_OK, 则说明应用已经处理完了这个请求了(这种情况出现在当...
swap fragment in an activity via animation
...);
Here is an example of the slide_in_left animation:
<?xml version="1.0" encoding="utf-8"?>
<set>
<translate xmlns:android="http://schemas.android.com/apk/res/android"
android:fromXDelta="-100%"
android:toXDelta="0"
android:interpolator="@android:anim/decelerate_interpo...
tmux: How to join two tmux windows into one, as panes?
... which have multiple panes, to put two of panes, say they are pane 0.0 and 1.0, side by side, you can: 1) create a new window 2) move pane 0.0 to pane 2.0 3) move pane 1.0 to pane 2.0 4) kill pane 2.0. Pane 0.0 means the 0th pane of the 0th window.
– Hong
Jul 1...
Use JavaScript to place cursor at end of text in text input element
...m as the PutCursorAtEnd plugin. For your convenience, the code for release 1.0 is as follows:
// jQuery plugin: PutCursorAtEnd 1.0
// http://plugins.jquery.com/project/PutCursorAtEnd
// by teedyay
//
// Puts the cursor at the end of a textbox/ textarea
// codesnippet: 691e18b1-f4f9-41b4-8fe8-bc8ee...
How do I compute derivative using Numpy?
...uld be something like
x = 5.0
eps = numpy.sqrt(numpy.finfo(float).eps) * (1.0 + x)
print (p(x + eps) - p(x - eps)) / (2.0 * eps * x)
if you have an array x of abscissae with a corresponding array y of function values, you can comput approximations of derivatives with
numpy.diff(y) / numpy.diff(x...
SVN checkout the contents of a folder, not the folder itself
...lso have a look at the cvs command line reference: svnbook.red-bean.com/en/1.1/re04.html
– schnaader
May 29 '09 at 19:56
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Throttling method calls to M requests in N seconds
...w one request per second
private RateLimiter throttle = RateLimiter.create(1.0);
private void someMethod() {
throttle.acquire();
// Do something
}
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