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HTTP POST Returns Error: 417 “Expectation Failed.”
...s not understand HTTP 1.1
the client ends up sending something that a HTTP 1.0 proxy doesnt understand (commonly an Expect header as part of a HTTP POST or PUT request due to a standard protocol convention of sending the request in two parts as covered in the Remarks here)
... yielding a 417.
As ...
What are “named tuples” in Python?
...a point as a tuple (x, y). This leads to code like the following:
pt1 = (1.0, 5.0)
pt2 = (2.5, 1.5)
from math import sqrt
line_length = sqrt((pt1[0]-pt2[0])**2 + (pt1[1]-pt2[1])**2)
Using a named tuple it becomes more readable:
from collections import namedtuple
Point = namedtuple('Point', 'x ...
How to draw border on just one side of a linear layout?
...
You can use this to get border on one side
<?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="#FF0000" />
</shape&...
How to pretty print XML from Java?
... How to make so that the output wont contain <?xml version="1.0" encoding="UTF-8"?>?
– Thang Pham
Jul 19 '11 at 19:26
21
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App Inventor 2 连接调试器的几种方式的比较 - App Inventor 2 中文网 - 清...
...拟器多少都有一些广告app，还不能删除。
桌面版AI伴侣
也是搭建一个安卓模拟器，安装AI伴侣。对电脑显卡要求高，一般电脑用不了。
即便电脑显卡支持，但是本身及AI伴侣版本都很旧，维护者几乎不更新了，这种...
Border for an Image view in Android?
...the background of the Image View as Drawable. It works.
<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#FFFFFF" />
<stroke android:width="1dp" android:color="#000000" />
<padding ...
Understanding Python's “is” operator
...which is reused. Works in Python since integers are immutable. If you do x=1.0; y=1.0 or x=9999;y=9999, it won't be the same identity, because floats and larger ints aren't interned.
– Magnus Lyckå
Sep 21 '17 at 13:56
...
How to change Android version and code version number?
...minSdkVersion 9
targetSdkVersion 19
versionCode 1
versionName "1.0"
}
share
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dispatch_after - GCD in Swift?
...te that you can write the deadlineTime declaration as DispatchTime.now() + 1.0 and get the same result because the + operator is overridden as follows (similarly for -):
func +(time: DispatchTime, seconds: Double) -> DispatchTime
func +(time: DispatchWalltime, interval: DispatchTimeInterval) -&...
Producing a new line in XSLT
...t;xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="xml" indent="yes" encoding="utf-8"/>
<xsl:template match="/">
<xsl:text>&lt;!DOCTYPE Subscriptions SYSTEM "Subscriptions.dtd"&gt;&#xa;&#xa;&#...