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How to keep index when using pandas merge
...2']))
In: a['col2']
Out:
col1 to_merge_on col2
a 1 1 1.0
b 2 3 2.0
c 3 4 NaN
This doesn't introduce a dummy index name for the index.
Note however that there is no DataFrame.map method, and so this approach is not for multiple columns.
...
多媒体组件 · App Inventor 2 中文网
...的值会提高合成语音的音调。
正常音高的默认值为 1.0。
结果
如果文本成功转换为语音，则返回真，否则返回假。
语速
设置 语音识别器 的语音语速。
这些值应介于 0 和 2 之间，较低的值会减慢音调，较大的值...
How To fix white screen on app Start up?
... screen.
first create an XML drawable in res/drawable.
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:drawable="@color/gray"/>
<item>
<bitmap
android:gravi...
Calculating Distance between two Latitude and Longitude GeoCoordinates
..., 2.0);
return 6376500.0 * (2.0 * Math.Atan2(Math.Sqrt(d3), Math.Sqrt(1.0 - d3)));
}
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send/post xml file using curl command line
... -X POST -H "Content-Type: text/xml" -d ^
"^<?xml version=\"1.0\" encoding=\"UTF-8\" ?^> ^
^<Transaction^> ^
^<SomeParam1^>Some-Param-01^</SomeParam1^> ^
^<Password^>Some...
mongodb: insert if not exists
...# This fails
E11000 duplicate key error index: foo.test.$a_1 dup key: { : 1.0 }
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Using XPATH to search text containing
...
worked for me with the special char.
From what I understood, the XPath 1.0 standard doesn't handle escaping Unicode chars. There seems to be functions for that in XPath 2.0 but it looks like Firefox doesn't support it (or I misunderstood something). So you have to do with local codepage. Ugly, I...
What are the key differences between Scala and Groovy? [closed]
...Developers Conference, that included James and that was long before Groovy 1.0 we decided to keep that. It would not have been difficult to change this. Also to add to what James wrote... invokedynamic took down that barrier he is talking about
– blackdrag
Feb ...
decorators in the python standard lib (@deprecated specifically)
...
Example Usage
import deprecation
@deprecation.deprecated(deprecated_in="1.0", removed_in="2.0",
current_version=__version__,
details="Use the bar function instead")
def foo():
"""Do some stuff"""
return 1
See http://deprecation.readthedocs...
How to check if hex color is “too black”?
...r, from 0-255, as defined by Web Content Accessibility Guidelines (Version 1.0).
tinycolor("#fff").getBrightness(); // 255
isLight
Return a boolean indicating whether the color's perceived brightness is light.
tinycolor("#fff").isLight(); // true
tinycolor("#000").isLight(); // false
isDark
...