大约有 47,000 项符合查询结果(耗时:0.0431秒) [XML]
Drop columns whose name contains a specific string from pandas DataFrame
...
Use the DataFrame.select method:
In [38]: df = DataFrame({'Test1': randn(10), 'Test2': randn(10), 'awesome': randn(10)})
In [39]: df.select(lambda x: not re.search('Test\d+', x), axis=1)
Out[39]:
awesome
0 1.215
1 1.247
2 0.142
3...
How to see log files in MySQL?
...print the value of error log, run this command in the terminal:
mysql -e "SELECT @@GLOBAL.log_error"
To read content of the error log file in real time, run:
sudo tail -f $(mysql -Nse "SELECT @@GLOBAL.log_error")
Note: Hit Control-C when finish
When general log is enabled, try:
sudo tail -f ...
Convert MySql DateTime stamp into JavaScript's Date format
...d.
A MySQL DATETIME column can be converted to a unix timestamp through:
SELECT unix_timestamp(my_datetime_column) as stamp ...
We can make a new JavaScript Date object by using the constructor that requires milliseconds since the epoch. The unix_timestamp function returns seconds since the epoc...
What is the reason for a red exclamation mark next to my project in Eclipse?
...rors can be seen in the Problems view, and if you open
the view menu and select Group By > Java Problem Type, they all show
up in the Build Path category:
share
|
improve this answer
...
Install Marketplace plugin on Eclipse Juno
... only such official distribution). However, it is available for download.
Select Help/Install new software... from the menu, select the Juno update site (http://download.eclipse.org/releases/juno), and then look for the Marketplace client - it is in the General Purpose Tools category.
...
Importing CommonCrypto in a Swift framework
...code.app path which can vary system-to-system, especially if you use xcode-select to switch to a beta version, or are building on a CI server where multiple versions are installed in non-standard locations. You also don't need to hard code the SDK so this should work for iOS, macOS, etc. You also do...
How can I get “Copy to Output Directory” to work with Unit Tests?
... In VS2010 this is: Test/Edit Test Settings/local, then in the list, select "Deployment", check the "Enable..." box and add the file(s).
– Marcel
Jun 16 '10 at 12:54
18
...
Script entire database SQL-Server
... By default it doesn't script the data. Under Table/View Options select "Script Data -> True". Another useful option is "Script Drop -> True"
– Stephen Hosking
Aug 3 '11 at 8:13
...
How to access a mobile's camera from a web app?
...re="capture" (Boolean) . The attribute is used to force capture instead of selecting from the library. See the spec and Correct Syntax for HTML Media Capture
– Octavian Naicu
Nov 9 '16 at 15:56
...
Can I use Twitter Bootstrap and jQuery UI at the same time?
...bootstrap's or your custom style, you need to create a custom download and select the no-theme theme. That will only include jQuery UI's resets, and not overload bootstrap's style for various elements.
While we're at it, some jQuery UI components (such as datepicker) have a native bootstrap impleme...