大约有 47,000 项符合查询结果（耗时：0.0504秒） [XML]
Best programming aids for a quadriplegic programmer
... posting more possibilities. I'll also add that (gasp) I've been a vi (and now vim) guy since 1980, so I'll have to be creating a "vi macro set" to complement the work that Andre has already done, and probably also a Notepad++ set, or an Aptana set (Eclipse + PyDev).
– Peter Ro...
Group by multiple columns in dplyr, using string vector input
...as the expression is wrapped in a call to vars().
– knowah
Aug 15 '19 at 14:13
@Khashir yes, this answer still works @...
What's the difference between “STL” and “C++ Standard Library”?
...long before C++ was standardised. C++ existed through the 80s, but what we now call "C++" is the language standardised in ISO/IEC 14882:2014 (and earlier versions, such as ISO/IEC 14882:2011).
The STL was already widely used as a library for C++, giving programmers access to containers, iterators a...
How to search and replace globally, starting from the cursor position and wrapping around the end of
... is the key-- continue editing the paragraph. Your approach "Press y,y,y, now press q. Now you start searching at the first line of the paragraph. Press q again to quit. Now go back to where you were before, to continue editing. Ok, g;. So, basically: yyyqq... become confused... g; (or u^R) My met...
What's the $unwind operator in MongoDB?
...s.funded_year"
} }
])
If we look at the funding_rounds array, we know that for each funding_rounds, there is a raised_amount and a funded_year field. So, unwind will for each one of the documents that are elements of the funding_rounds array produce an output document. Now, in this example,...
Xcode 4, Core Data Model Version - Set Current Version
... *.xcdatamodeld file that contains both *.xcdatamodel files.
Xcode should now recognize the relationships and allow you to expand the *.xcdatamodeld file in the project navigator to show both *.xcdatamodel files under the parent xcdatamodeld bundle, also showing a green checkmark next to the curren...
What is a patch in git version control?
...TS)
See also Contributing to Rails with Git as another concrete example.
Nowadays, the GitHub pull request makes it really easy to apply patches on GitHub repos, which is useful when you aren't a direct contributor (ie you have no right to directly push to a repo).
Actually, fairly recently GitHub...
Comma in C/C++ macro
...tructs behind the macro become dependent types, and the typename prefix is now required on the type. You can add it, but type deduction has been broken, so you now have to manually list the type arguments to call the function. I ended up using temple's method of defining a macro for the comma. It mi...
Android error: Failed to install *.apk on device *: timeout
I'm getting this error from time to time and don't know what causing this:
When trying to run/debug an Android app on a real device (Galaxy Samsung S in my case) I'm getting the following error in the Console:
...
Getting “unixtime” in Java
...a 8 you can use
import java.time.Instant
...
long unixTimestamp = Instant.now().getEpochSecond();
Instant.now() returns an Instant that represents the current system time. With getEpochSecond() you get the epoch seconds (unix time) from the Instant.
...