大约有 13,906 项符合查询结果（耗时：0.0299秒） [XML]
Case-Insensitive List Search
...d like to add a new string into the testList only if it doesn't already exist in the list. Therefore, I need to do a case-insensitive search of the list and make it efficient. I can't use Contains because that doesn't take into account the casing. I also don't want to use ToUpper/ToLower for p...
Iterating over every two elements in a list
...(s2, s3), (s4, s5), ..."
a = iter(iterable)
return izip(a, a)
for x, y in pairwise(l):
print "%d + %d = %d" % (x, y, x + y)
Or, more generally:
from itertools import izip
def grouped(iterable, n):
"s -> (s0,s1,s2,...sn-1), (sn,sn+1,sn+2,...s2n-1), (s2n,s2n+1,s2n+2,...s3n-1), ....
When should I use a struct instead of a class?
... size smaller than 16 bytes.
It is immutable.
It will not have to be boxed frequently.
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Get integer value from string in swift
... handle if the user enters number more than an Int64 limit number in the text field
– Khushboo Dhote
Jul 5 '18 at 7:18
1
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Computed read-only property vs function in Swift
...hat way I can easily see whether a call is cheap (properties) or possibly expensive (functions).
We will probably get more clarity when Apple publishes some Swift coding conventions.
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How to list the contents of a package using YUM?
...l, --list list files in this package/group
Combined into one example:
$ repoquery -l time
/usr/bin/time
/usr/share/doc/time-1.7
/usr/share/doc/time-1.7/COPYING
/usr/share/doc/time-1.7/NEWS
/usr/share/doc/time-1.7/README
/usr/share/info/time.info.gz
On at least one RH system, with rpm...
Tools for making latex tables in R [closed]
On general request, a community wiki on producing latex tables in R. In this post I'll give an overview of the most commonly used packages and blogs with code for producing latex tables from less straight-forward objects. Please feel free to add any I missed, and/or give tips, hints and little trick...
Is it a bad practice to use break in a for loop? [closed]
...e nested sub-blocks, yes, you could easily forget that some code won't be executed after the break. If, however, the loop is short and to the point, the purpose of the break statement should be obvious.
If a loop is getting too big, use one or more well-named function calls within the loop instead....
How to detect shake event with android?
...ew, you need to implement the SensorListener:
public class ShakeActivity extends Activity implements SensorListener
You will need to acquire a SensorManager:
sensorMgr = (SensorManager) getSystemService(SENSOR_SERVICE);
And register this sensor with desired flags:
sensorMgr.registerListener(t...