大约有 46,000 项符合查询结果（耗时：0.0473秒） [XML]
How to find the sum of an array of numbers
... how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
...
How to format numbers by prepending 0 to single-digit numbers?
I want to format a number to have two digits. The problem is caused when 0 – 9 is passed, so I need it to be formatted to 00 – 09 .
...
How to put individual tags for a scatter plot
...se plt.annotate:
import numpy as np
import matplotlib.pyplot as plt
N = 10
data = np.random.random((N, 4))
labels = ['point{0}'.format(i) for i in range(N)]
plt.subplots_adjust(bottom = 0.1)
plt.scatter(
data[:, 0], data[:, 1], marker='o', c=data[:, 2], s=data[:, 3] * 1500,
cmap=plt.get_c...
Have a reloadData for a UITableView animate when changing
...
402
Actually, it's very simple:
[_tableView reloadSections:[NSIndexSet indexSetWithIndex:0] withRo...
How do I set the version information for an existing .exe, .dll?
...set!
– twasbrillig
Nov 18 '14 at 22:09
2
...
How do you get the width and height of a multi-dimensional array?
...
answered Nov 23 '10 at 19:52
Reed CopseyReed Copsey
509k6868 gold badges10671067 silver badges13241324 bronze badges
...
How to determine the longest increasing subsequence using dynamic programming?
...
407
OK, I will describe first the simplest solution which is O(N^2), where N is the size of the col...
Getting Java version at runtime
...nical Articles
J2SE SDK/JRE Version String Naming Convention
Version 1.5.0 or 5.0?
"J2SE also keeps the version number 1.5.0 (or 1.5) in some places that are visible only to developers, or where the version number is parsed by programs"
"java.version system property"
Version 1.6.0 Used by De...
Getting the count of unique values in a column in bash
....Paused until further notice.
287k8181 gold badges340340 silver badges410410 bronze badges
add a comment
...
Convert string with commas to array
... JSON.parse("[" + string + "]");
This gives you an Array of numbers.
[0, 1]
If you use .split(), you'll end up with an Array of strings.
["0", "1"]
Just be aware that JSON.parse will limit you to the supported data types. If you need values like undefined or functions, you'd need to use ...