大约有 15,000 项符合查询结果（耗时：0.0377秒） [XML]
Pandas count(distinct) equivalent
...ing pandas as a db substitute as I have multiple databases (oracle, mssql, etc) and I am unable to make a sequence of commands to a SQL equivalent.
...
How do I set default terminal to terminator? [closed]
...ose an emulator. You can just pick /usr/bin/terminator.
System Defaults
/etc/xdg/xfce4/helpers.rc
User Defaults
/home/USER/.config/xfce4
share
|
improve this answer
|
f...
Can you pass parameters to an AngularJS controller on creation?
...for communicating with an API to update properties of a user, name, email, etc. Each user has an 'id' which is passed from the server when the profile page is viewed.
...
Scripting Language vs Programming Language [closed]
...s that was written to build programs like excel, word, browsers, games and etc. These programs were built with languages like c and java. Overtime, these programs needed a way for users to create new functionality, so they had to provide an interface to their bytecode and hence scripting languages...
Starting the week on Monday with isoWeekday()
...ekDay = 2; // say our weeks start on tuesday, for monday you would type 1, etc.
var startOfPeriod = moment("2013-06-23T00:00:00"),
// how many days do we have to substract?
var daysToSubtract = moment(startOfPeriod).isoWeekday() >= myIsoWeekDay ?
moment(startOfPeriod).isoWeekday() - myIsoWe...
Is there a difference between authentication and authorization?
...uthenticating a user (by checking login/password credentials, certificates etc), whereas Authorization is used more in the Business Logic of an application.
For example, in an application, a user might login and be authenticated, but not authorized to perform certain functions.
...
Which method performs better: .Any() vs .Count() > 0?
...th or .Count (such as ICollection<T>, IList<T>, List<T>, etc) - then this will be the fastest option, since it doesn't need to go through the GetEnumerator()/MoveNext()/Dispose() sequence required by Any() to check for a non-empty IEnumerable<T> sequence.
For just IEnumerabl...
Maintain git repo inside another git repo
...as git repos in their own right, with their own commits, origins, history, etc.
– Damien Wilson
Jan 11 '11 at 16:10
2
...
How to filter git diff based on file extensions?
...
Mine worked with brace expansion, a la git diff -- *.{c,h,etc}
– Matt Fletcher
Nov 25 '13 at 16:03
9
...
Is there a performance impact when calling ToList()?
...mall the size is doubled so the backing array grows like this 4, 8, 16, 32 etc. Every time the backing array grows it has to be reallocated and all elements stored so far have to be copied. This operation is much more costly compared to the first case where an array of the correct size can be create...