大约有 19,602 项符合查询结果（耗时：0.0512秒） [XML]
Opposite of %in%: exclude rows with values specified in a vector
...ages/purrr/versions/0.2.5/topics/… stat.ethz.ch/R-manual/R-devel/library/base/html/match.fun.html
– flying sheep
Mar 15 '19 at 16:44
add a comment
|
...
How to explain callbacks in plain english? How are they different from calling one function from ano
...
Often an application needs to execute different functions based upon its context/state. For this, we use a variable where we would store the information about the function to be called. According to its need the application will set this variable with the information about functi...
Python name mangling
... are that it increases cognitive load for reading and understanding a code base, and especially so when debugging where you see the double underscore name in the source and a mangled name in the debugger.
My personal approach is to intentionally avoid it. I work on a very large code base. The rare ...
pg_config executable not found
...
Doesn't that install the entire database?
– zmbq
Feb 29 '16 at 14:56
7
...
How do I create a simple 'Hello World' module in Magento?
...etc. MVC model that's popular with PHP developers these days. I think it's based on the Zend model, and the whole thing is very Java OOP-like. There's two controllers you need to be concerned about. The module/frontName controller, and then the MVC controller.
Fourth, the Magento application itself...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...hat detect_encoding is a method that could detect the encoding of a string based on language clues.
– Alastair McCormack
Mar 20 '18 at 10:56
|
...
Does “\d” in regex mean a digit?
...pression Options.
Info: https://docs.microsoft.com/en-us/dotnet/standard/base-types/character-classes-in-regular-expressions#decimal-digit-character-d
share
|
improve this answer
|
...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
...14 : "Can you explain further why data.table is inspired by A[B] syntax in base?". But also, nomatch only takes two values currently 0 and NA. That could be extended so that a negative value meant something, or 12 would mean use the 12th row's values to fill in NAs, for example, or nomatch in future...
Python Graph Library [closed]
...
Look at graph-tool instead, it's bgl based and active.
– Sean
Jun 8 '11 at 4:58
add a comment
|
...
Return string without trailing slash
...
Based on @vdegenne 's answer... how to strip:
Single trailing slash:
theString.replace(/\/$/, '');
Single or consecutive trailing slashes:
theString.replace(/\/+$/g, '');
Single leading slash:
theString.replace(/^\//, '...