大约有 33,000 项符合查询结果（耗时：0.0961秒） [XML]
Echo a blank (empty) line to the console from a Windows batch file [duplicate]
...means for outputting a blank line from cmd.exe is not documented, arguably one should consider any suggestion for how to accomplish this to be a hack. That means that there is no known method for outputting a blank line from cmd.exe that is guaranteed to work (or work efficiently) in all situations....
Is there an R function for finding the index of an element in a vector?
...ind the first index of an element in v that is equal to x . I know that one way to do this is: which(x == v)[[1]] , but that seems excessively inefficient. Is there a more direct way to do it?
...
Is there any sed like utility for cmd.exe? [closed]
... you don't want to install anything and your system ain't a Windows Server one, then you could use a scripting language (VBScript e.g.) for that. Below is a gross, off-the-cuff stab at it. Your command line would look like
cscript //NoLogo sed.vbs s/(oldpat)/(newpat)/ < inpfile.txt > outfile....
Am I immoral for using a variable name that differs from its type only by case?
...
Clearly you've never had to come into someone else's code. I know that when I'm called upon to research some newly discovered bug in several-years-old code by a programmer who's long since left the company - anything that gets in the way of ramping me up is time not ...
Android SDK manager won't open
...dows\system32 directory.
The SDK Manager uses java and it was finding the one in the system32 folder.
In a CMD window, you can run 'where java'.
Don't forget to restart your CMD after changing the path variable for checking.
...
Swing vs JavaFx for desktop applications [closed]
... being equal, probably JavaFX - the API is much more consistent across components. However, this depends much more on how the code is written rather than what library is used to write it.
And what will be faster to build from scratch?
Highly dependent on what you're building. Swing has more co...
Python subprocess/Popen with a modified environment
...
That depends on what the issue is. If it's to clone and modify the environment one solution could be:
subprocess.Popen(my_command, env=dict(os.environ, PATH="path"))
But that somewhat depends on that the replaced variables are valid python identifiers, which they most o...
Python code to remove HTML tags from a string [duplicate]
...icitly set a parser when calling BeautifulSoup
I recommend "lxml" as mentioned in alternative answers (much more robust than the default one (i.e. available without additional install) 'html.parser'
from bs4 import BeautifulSoup
cleantext = BeautifulSoup(raw_html, "lxml").text
But it doesn't pr...
Easy way to list node modules I have npm linked?
...
The 1st one works w/o --link=true. My environment: Win10, NVM=1.1.7, current Node= 8.14.0
– Jeb50
Jan 18 '19 at 4:53
...
Sorting an IList in C#
...sort routine that accesses array elements directly can be much faster than one which has to go through the IList<T> interface to access every element. The speed difference is sufficiently great that in many cases it may be faster to copy a list to an array, sort the array, and copy the list b...