大约有 41,000 项符合查询结果(耗时:0.0452秒) [XML]
Splitting a list into N parts of approximately equal length
...oken due to rounding errors. Do not use it!!!
assert len(chunkIt([1,2,3], 10)) == 10 # fails
Here's one that could work:
def chunkIt(seq, num):
avg = len(seq) / float(num)
out = []
last = 0.0
while last < len(seq):
out.append(seq[int(last):int(last + avg)])
...
How do I tell matplotlib that I am done with a plot?
...tplotlib.pyplot as plt
import matplotlib.mlab as mlab
plt.figure()
x = [1,10]
y = [30, 1000]
plt.loglog(x, y, basex=10, basey=10, ls="-")
plt.savefig("first.ps")
plt.figure()
x = [10,100]
y = [10, 10000]
plt.loglog(x, y, basex=10, basey=10, ls="-")
plt.savefig("second.ps")
Or subplot(121) / sub...
How to get cumulative sum
...mple
Output
| ID | SOMENUMT | SUM |
-----------------------
| 1 | 10 | 10 |
| 2 | 12 | 22 |
| 3 | 3 | 25 |
| 4 | 15 | 40 |
| 5 | 23 | 63 |
Edit: this is a generalized solution that will work across most db platforms. When there is a better solution availa...
How to check that a string is an int, but not a double, etc.?
...sing ctype_digit?
From the manual:
<?php
$strings = array('1820.20', '10002', 'wsl!12');
foreach ($strings as $testcase) {
if (ctype_digit($testcase)) {
echo "The string $testcase consists of all digits.\n";
} else {
echo "The string $testcase does not consist of all dig...
How to increase the Java stack size?
...
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edited Sep 17 '10 at 13:31
pts
59.8k1515 gold badges8686 silver badges153153 bronze badges
an...
What is a PDB file?
...
answered Oct 10 '10 at 8:27
Jon SkeetJon Skeet
1210k772772 gold badges85588558 silver badges88218821 bronze badges
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Unsigned keyword in C++
...
answered Jan 20 '10 at 8:14
futureelite7futureelite7
11.1k99 gold badges5050 silver badges8585 bronze badges
...
How to search for occurrences of more than one space between words in a line
...
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edited Sep 21 '10 at 10:14
answered Sep 21 '10 at 9:16
...
How to remove first 10 characters from a string?
How to ignore the first 10 characters of a string?
12 Answers
12
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Generating random number between 1 and 10 in Bash Shell Script [duplicate]
How would I generate an inclusive random number between 1 to 10 in Bash Shell Script?
6 Answers
...
