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Switch statement fallthrough in C#?
...ts extreme, this goal results in our just writing in assembly, IL, or even raw op-codes, because the easiest compilation is where there is no compilation at all.
Conversely, the more the language expresses the intention of the programmer, rather than the means taken to that end, the more understanda...
Trim spaces from end of a NSString
...ngByTrimmingTrailingCharactersInSet:(NSCharacterSet *)characterSet {
NSRange rangeOfLastWantedCharacter = [self rangeOfCharacterFromSet:[characterSet invertedSet]
options:NSBackwardsSearch];
if (rangeOfLastWantedCharacter.locatio...
Read file from line 2 or skip header row
...ns the comma-delimited
strings on each line as a list"""
for _ in range(numberheaderlines):
yield map(str.strip, filehandle.readline().strip().split(','))
with open('coordinates.txt', 'r') as rh:
# Single header line
#print next(__readheader(rh))
# Multiple header line...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...-------------------------
set protocol ospf
set enable
set area 0.0.0.0 range 172.16.100.0 255.255.255.0 advertise
set area 0.0.0.0 range 172.16.110.0 255.255.255.0 advertise
exit
set interface redundant1.10 protocol ospf area 0.0.0.0
set interface redundant1.10 protocol ospf enable
set inte...
How do I lowercase a string in C?
... @hatorade: tolower() leaves argument unchanged if it is not in 'A'..'Z' range.
– jfs
Apr 18 '10 at 18:20
1
...
Homebrew install specific version of formula?
...mmits/master/Formula/docker.rb
View the file with this button:
Click the Raw button:
Copy the URL (docker.rb url in this example) from address bar
brew install <url> (may have to brew unlink first, e.g. brew unlink docker)
brew switch docker 1.3.3
Switch back to docker 1.4.1 brew switch doc...
How do you find the sum of all the numbers in an array in Java?
...nt startInclusive, int endExclusive) which permits you to take a specified range of the array (which can be useful) :
int sum = Arrays.stream(new int []{1,2,3,4}, 0, 2).sum(); //prints 3
Finally, it can take an array of type T. So you can per example have a String which contains numbers as an inp...
python pandas dataframe to dictionary
...his ugly but working code:
>>> mydict = {}
>>> for x in range(len(ptest)):
... currentid = ptest.iloc[x,0]
... currentvalue = ptest.iloc[x,1]
... mydict.setdefault(currentid, [])
... mydict[currentid].append(currentvalue)
>>> mydict
{'a': [1, 2], 'b': [3]}...
month name to month number and vice versa in python
...g this way: month_cal = dict((v,k) for v,k in zip(calendar.month_abbr[1:], range(1, 13))), and then month_cal[shortMonth]
– Matt W.
Jul 12 '18 at 17:29
3
...
Downloading a picture via urllib and python
......, filename_10.jpg then download all of them:
import requests
for x in range(1, 10):
str1 = 'filename_%2.2d.jpg' % (x)
str2 = 'http://site/dir/filename_%2.2d.jpg' % (x)
f = open(str1, 'wb')
f.write(requests.get(str2).content)
f.close()
...