大约有 2,870 项符合查询结果（耗时：0.0312秒） [XML]
Apply pandas function to column to create multiple new columns?
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In 2018, I use apply() with argument result_type='expand'
>>> appiled_df = df.apply(lambda row: fn(row.text), axis='columns', result_type='expand')
>>> df = pd.concat([df, appiled_df], axis='columns')
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Is there something like RStudio for Python? [closed]
...to create a more desktop-like experience on the Web.
Update:
As of March 2018 JupyterLab is in beta. "The beta releases are suitable for general usage. For JupyterLab extension developers, the extension APIs will continue to evolve until the 1.0 release. Eventually, JupyterLab will replace the cla...
Get encoding of a file in Windows
...efault would be UTF8 if you want to match the HTTP/web ecosystem).
Update 2018: I no longer recommend this method. I recommend using file.exe from GIT or *nix tools as recommended by @Sybren, and I show how to do that via PowerShell in a later answer.
# from https://gist.github.com/zommarin/14809...
Date format Mapping to JSON Jackson
...t java.text.SimpleDateFormat;
/**
* Created by BaiJiFeiLong@gmail.com at 2018/5/4 10:22
*/
@SpringBootApplication
public class BarApp implements ApplicationListener<ApplicationReadyEvent> {
public static void main(String[] args) {
SpringApplication.run(BarApp.class, args);
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Specifying an Index (Non-Unique Key) Using JPA
...olumn has index, indexGroups, unique, and uniqueGroups properties;
UPDATE [2018]: ActiveAndroid was a nice ORM 4 years ago, but unfortunately, the author of the library stopped maintaining it, so someone forked, fixed bugs, and rebranded it as ReActiveAndroid - use this if you're starting a new proj...
Difference between app.all('*') and app.use('/')
... This is the correct answer to the question which still is true in 2018! A middleware can be mounted with all() too ... the only difference is that the mount path is stripped when executing the middleware.
– Xatian
Jun 4 '18 at 12:28
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How do I view cookies in Internet Explorer 11 using Developer Tools
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Update 2018 for Microsoft Edge Developer Tools
The Dev Tools in Edge finally added support for managing and browsing cookies.
Note: Even if you are testing and supporting IE targets, you mine as well do the heavy lifting of you...
No grammar constraints (DTD or XML schema) detected for the document
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Worked for me at Eclipse JEE v. 2018-12. The warning disappeared when I added two these lines to ant's build.xml
– Eugene Gr. Philippov
Dec 30 '18 at 18:20
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Center a column using Twitter Bootstrap 3
...on the column itself (col-* divs) because Bootstrap uses float.
Update 2018
Now with Bootstrap 4, the centering methods have changed..
text-center is still used for display:inline elements
mx-auto replaces center-block to center display:block elements
offset-* or mx-auto can be used to center...
What approaches are available to dummy design-time data in WPF?
...my application needs to be built for x64. As the Visual Studio is still in 2018 a 32-bit process and apparently cannot spin a 64-bit host process for the designer part it cannot use my x64 classes. The really bad thing is that there are no errors to be found in any log I could think of.
So if you s...