大约有 42,000 项符合查询结果(耗时:0.0417秒) [XML]

https://stackoverflow.com/ques... 

Return empty cell from formula in Excel

...A, then. You'll iterate over the cells in your range, test the condition, and delete the contents if they match. Something like: For Each cell in SomeRange If (cell.value = SomeTest) Then cell.ClearContents Next share...
https://stackoverflow.com/ques... 

Print an integer in binary format in Java

I have a number and I want to print it in binary. I don't want to do it by writing an algorithm, Is there any built-in function for that in Java? ...
https://stackoverflow.com/ques... 

Java 8 Stream and operation on arrays

...is a little more difficult because I can't think of a way to get the value AND the index at the same time as a Stream operation. This means you probably have to stream over the indexes of the array. //in this example a[] and b[] are same length int[] a = ... int[] b = ... int[] result = new int[a...
https://stackoverflow.com/ques... 

How do I get java logging output to appear on a single line?

...ormat from a system property, so adding something like this to the JVM command line will cause it to print on one line: -Djava.util.logging.SimpleFormatter.format='%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS %4$s %2$s %5$s%6$s%n' Alternatively, you can also add this to your logger.properties: java.util....
https://stackoverflow.com/ques... 

Check whether variable is number or string in JavaScript

... If you're dealing with literal notation, and not constructors, you can use typeof:. typeof "Hello World"; // string typeof 123; // number If you're creating numbers and strings via a constructor, such as var foo = new String("foo"), you should keep in m...
https://stackoverflow.com/ques... 

Generate a heatmap in MatPlotLib using a scatter data set

...ou can use numpy's histogram2d function: import numpy as np import numpy.random import matplotlib.pyplot as plt # Generate some test data x = np.random.randn(8873) y = np.random.randn(8873) heatmap, xedges, yedges = np.histogram2d(x, y, bins=50) extent = [xedges[0], xedges[-1], yedges[0], yedges[...
https://stackoverflow.com/ques... 

C++ SFINAE examples?

I want to get into more template meta-programming. I know that SFINAE stands for "substitution failure is not an error." But can someone show me a good use for SFINAE? ...
https://stackoverflow.com/ques... 

Efficient evaluation of a function at every cell of a NumPy array

... You could just vectorize the function and then apply it directly to a Numpy array each time you need it: import numpy as np def f(x): return x * x + 3 * x - 2 if x > 0 else x * 5 + 8 f = np.vectorize(f) # or use a different name if you want to keep the...
https://stackoverflow.com/ques... 

Count work days between two dates

... @greektreat It works fine. It's just that both @StartDate and @EndDate are included in the count. If you want Monday to Tuesday to count as 1 day, just remove the "+ 1" after the first DATEDIFF. Then you'll also get Fri->Sat=0, Fri->Sun=0, Fri->Mon=1. –...
https://stackoverflow.com/ques... 

How to get an object's properties in JavaScript / jQuery?

... You can look up an object's keys and values by either invoking JavaScript's native for in loop: var obj = { foo: 'bar', base: 'ball' }; for(var key in obj) { alert('key: ' + key + '\n' + 'value: ' + obj[key]); } or using jQuery's .each()...