大约有 4,768 项符合查询结果(耗时:0.0268秒) [XML]

https://stackoverflow.com/ques... 

Why would a post-build step (xcopy) occasionally exit with code 2 in a TeamCity build?

A few projects in my client's solution have a post-build event: xcopy the build output to a specific folder. This works fine when building locally. However, in TeamCity, I occasionally get ...
https://stackoverflow.com/ques... 

How do you perform a left outer join using linq extension methods

...Bar with a table Foo on Foo.Foo_Id = Bar.Foo_Id in lambda notation: var qry = Foo.GroupJoin( Bar, foo => foo.Foo_Id, bar => bar.Foo_Id, (x,y) => new { Foo = x, Bars = y }) .SelectMany( x => x.Bars.DefaultIfEmpty(), (x...
https://stackoverflow.com/ques... 

What do hjust and vjust do when making a plot using ggplot?

Every time I make a plot using ggplot, I spend a little while trying different values for hjust and vjust in a line like 2...
https://stackoverflow.com/ques... 

PHP: Return all dates between two dates in an array [duplicate]

... You could also take a look at the DatePeriod class: $period = new DatePeriod( new DateTime('2010-10-01'), new DateInterval('P1D'), new DateTime('2010-10-05') ); Which should get you an array with DateTime ob...
https://stackoverflow.com/ques... 

Error in Swift class: Property not initialized at super.init call

... Quote from The Swift Programming Language, which answers your question: “Swift’s compiler performs four helpful safety-checks to make sure that two-phase initialization is completed without error:” Safety check 1 “A designated initializer must ensure that all of ...
https://stackoverflow.com/ques... 

Pandas conditional creation of a series/dataframe column

... If you only have two choices to select from: df['color'] = np.where(df['Set']=='Z', 'green', 'red') For example, import pandas as pd import numpy as np df = pd.DataFrame({'Type':list('ABBC'), 'Set':list('ZZXY')}) df['color'...
https://stackoverflow.com/ques... 

How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?

I am trying to write a program where the names of some functions are dependent on the value of a certain macro variable with a macro like this: ...
https://stackoverflow.com/ques... 

Convert RGB to RGBA over white

...want converted into an as-transparent-as-possible rgba color (when displayed over white). Make sense? I'm looking for an algorithm, or at least idea of an algorithm for how to do so. ...
https://stackoverflow.com/ques... 

How can I plot with 2 different y-axes?

... two scatter plots in R so that each set of points has its own (different) y-axis (i.e., in positions 2 and 4 on the figure) but the points appear superimposed on the same figure. ...
https://stackoverflow.com/ques... 

To ternary or not to ternary? [closed]

I'm personally an advocate of the ternary operator: () ? : ; I do realize that it has its place, but I have come across many programmers that are completely against ever using it, and some that use it too often. ...