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Can I use the range operator with if statement in Swift?
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438
You can use the "pattern-match" operator ~=:
if 200 ... 299 ~= statusCode {
print("success...
Is 'float a = 3.0;' a correct statement?
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It is not an error to declare float a = 3.0 : if you do, the compiler will convert the double literal 3.0 to a float for you.
However, you should use the float literals notation in specific scenarios.
For performance reasons:
Specifically, consider:
float fo...
write a shell script to ssh to a remote machine and execute commands
...th ssh, for example:
#!/bin/bash
USERNAME=someUser
HOSTS="host1 host2 host3"
SCRIPT="pwd; ls"
for HOSTNAME in ${HOSTS} ; do
ssh -l ${USERNAME} ${HOSTNAME} "${SCRIPT}"
done
When ssh'ing to the remote machine, how to handle when it prompts for RSA fingerprint authentication.
You can add th...
Download file of any type in Asp.Net MVC using FileResult?
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432
You can just specify the generic octet-stream MIME type:
public FileResult Download()
{
by...
How to get the IP address of the docker host from inside a docker container
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324
/sbin/ip route|awk '/default/ { print $3 }'
As @MichaelNeale noticed, there is no sense to u...
Safe (bounds-checked) array lookup in Swift, through optional bindings?
...pened to stumble on a nicer way of implementing this functionality:
Swift 3.2 and newer
extension Collection {
/// Returns the element at the specified index if it is within bounds, otherwise nil.
subscript (safe index: Index) -> Element? {
return indices.contains(index) ? self...
handle textview link click in my android app
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13 Answers
13
Active
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What are all possible pos tags of NLTK?
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153
The book has a note how to find help on tag sets, e.g.:
nltk.help.upenn_tagset()
Others are p...
Space between two rows in a table?
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Jan AagaardJan Aagaard
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1
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
... Ramratan Gupta
85822 gold badges1212 silver badges3131 bronze badges
answered Apr 23 '13 at 8:21
Justin VincentJustin Vincent
2,...