大约有 47,000 项符合查询结果(耗时:0.0764秒) [XML]

https://stackoverflow.com/ques... 

'any' vs 'Object'

...ate an error telling you exactly that. If you use any instead you are basically telling the transpiler that anything goes, you are providing no information about what is stored in a - it can be anything! And therefore the transpiler will allow you to do whatever you want with something defined as an...
https://stackoverflow.com/ques... 

Why is using “for…in” for array iteration a bad idea?

...undefined undefined undefined 5 */ can sometimes be totally different from the other: var a = []; a[5] = 5; for (var x in a) { // Shows only the explicitly set index of "5", and ignores 0-4 console.log(x); } /* Will display: 5 */ Also consider tha...
https://stackoverflow.com/ques... 

What's an object file in C?

...t from the compilation phase. It's mostly machine code, but has info that allows a linker to see what symbols are in it as well as symbols it requires in order to work. (For reference, "symbols" are basically names of global objects, functions, etc.) A linker takes all these object files and comb...
https://stackoverflow.com/ques... 

How do I get the coordinates of a mouse click on a canvas element?

...t are not necessary anymore, as the clientX and clientY properties work in all current browsers. You might want to check out Patriques Answer for a simpler, more recent solution. Original Answer: As described in an article i found back then but exists no longer: var x; var y; if (e.pageX || e.page...
https://stackoverflow.com/ques... 

Is pass-by-value a reasonable default in C++11?

...by value into functions and methods is slow for large objects, and is generally frowned upon. Instead, C++ programmers tend to pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory management (in the event that ...
https://stackoverflow.com/ques... 

How to make IPython notebook matplotlib plot inline

...rt numpy as np import matplotlib.pyplot as plt You can also always start all your IPython kernels in inline mode by default by setting the following config options in your config files: c.IPKernelApp.matplotlib=<CaselessStrEnum> Default: None Choices: ['auto', 'gtk', 'gtk3', 'inline', '...
https://stackoverflow.com/ques... 

Heatmap in matplotlib with pcolor?

...p() # Set the labels # label source:https://en.wikipedia.org/wiki/Basketball_statistics labels = [ 'Games', 'Minutes', 'Points', 'Field goals made', 'Field goal attempts', 'Field goal percentage', 'Free throws made', 'Free throws attempts', 'Free throws percentage', 'Three-pointers made', ...
https://stackoverflow.com/ques... 

Should I use multiplication or division?

...wer compared to the lower overhead of the VM. Remember that compilers generally cannot optimize floating point much in order to guarantee precision. – rasmus Sep 14 '12 at 7:22 7 ...
https://stackoverflow.com/ques... 

Eclipse: enable assertions

...enable assertions. Click on the Apply and then Run button. To globally set it as the default for everything: Go to menu Window (if you are on Windows), or go to menu Eclipse (if you are on Mac). For Linux it might be something similar. Go to Preferences. Choose Java, and then Installed JR...
https://stackoverflow.com/ques... 

Where to place JavaScript in an HTML file?

...ts. Of course Levi's comment "just before you need it and no sooner" is really the correct answer, i.e. "it depends". share | improve this answer | follow | ...