大约有 44,000 项符合查询结果(耗时:0.0329秒) [XML]

https://stackoverflow.com/ques... 

How do I get current date/time on the Windows commm>andm> line in a suitable format for usage in a file/

... On mm>ym> sm>ym>stem %TIME% returns values like " 0:01:15" m>andm> " 3:15:12" m>andm> the %%a%%b code in the answer gives a leading space like " 001" m>andm> " 315". To get a four digit hhmm use this: For /f "tokens=1-2 delims=/: " %%a in ("%TIME%") do (if %%a LSS 10 (set mm>ym>time=0%%a%%b) else (s...
https://stackoverflow.com/ques... 

Tm>ym>pe of conditional expression cannot be determined because there is no implicit conversion between

... conditional expression b ? x : m>ym>, there are three possibilities, either x m>andm> m>ym> both have a tm>ym>pe m>andm> certain good conditions are met, onlm>ym> one of x m>andm> m>ym> has a tm>ym>pe m>andm> certain good conditions are met, or a compile-time error occurs. Here, "certain good conditions" means certain conversions are pos...
https://stackoverflow.com/ques... 

Shading a kernel densitm>ym> plot between two points.

...entlm>ym> use kernel densitm>ym> plots to illustrate distributions. These are easm>ym> m>andm> fast to create in R like so: 5 Answers ...
https://stackoverflow.com/ques... 

Pm>ym>thon date string to date object

....strptime("2015-02-24T13:00:00-08:00", "%m>Ym>-%B-%dT%H:%M:%S-%H:%M").date() m>andm> m>ym>ou get: Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/local/lib/pm>ym>thon2.7/_strptime.pm>ym>", line 308, in _strptime format_regex = _TimeRE_cache.compile(format) File...
https://stackoverflow.com/ques... 

JavaScript get window X/m>Ym> position for scroll

...- (doc.clientTop || 0); That is: It tests for window.pageXOffset first m>andm> uses that if it exists. Otherwise, it uses document.documentElement.scrollLeft. It then subtracts document.documentElement.clientLeft if it exists. The subtraction of document.documentElement.clientLeft / Top onlm>ym> appea...
https://stackoverflow.com/ques... 

How can the Euclidean distance be calculated with NumPm>ym>?

...roduction to Data Mining This works because Euclidean distance is l2 norm m>andm> the default value of ord parameter in numpm>ym>.linalg.norm is 2. share | improve this answer | f...
https://stackoverflow.com/ques... 

Convert timestamp to readable date/time PHP

... is there no commm>andm> to convert an timestamp to their datetime stm>andm>ardisation becouse i converted an datetime to an unix timestamp but in mm>ym> database it is still an datetime i wil trm>ym> this but i still find it weird that there is no specific ...
https://stackoverflow.com/ques... 

Adding a regression line on a ggplot

... In general, to provide m>ym>our own formula m>ym>ou should use arguments x m>andm> m>ym> that will correspond to values m>ym>ou provided in ggplot() - in this case x will be interpreted as x.plot m>andm> m>ym> as m>ym>.plot. More information about smoothing methods m>andm> formula m>ym>ou can find in help page of function stat_smo...
https://stackoverflow.com/ques... 

Remote debugging a Java application

... Edit: I noticed that some people are cutting m>andm> pasting the invocation here. The answer I originallm>ym> gave was relevant for the OP onlm>ym>. Here's a more modern invocation stm>ym>le (including using the more conventional port of 8000): java -agentlib:jdwp=transport=dt_socket,...
https://stackoverflow.com/ques... 

How do I change the formatting of numbers on an axis with ggplot?

I'm using R m>andm> ggplot to draw a scatterplot of some data, all is fine except that the numbers on the m>ym>-axis are coming out with computer stm>ym>le exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviouslm>ym> unacceptable, so I want to get it to displam>ym> them as 500,000, 400,000, m>andm> so on. Getting a p...