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Relationship between hashCode and equals method in Java [duplicate]
...istinct integers for distinct objects. (This is typically implemented by
converting the internal address of the object into an integer, but this implementation
technique is not required by the JavaTM programming language.)
However some time you want the hash code to be the same for different o...
pip install from git repo branch
...ackage is apache-airflow) to work with an unreleased version. I'd like to convert the call pip install apache-airflow[crypto, slack] to install these extras with the archive version. I tried pip install https://github.com/apache/incubator-airflow/archive/master.zip[crypto, slack] but this breaks t...
Project management to go with GitHub [closed]
...outdated for my particular issue, as Google Code supports git now and I've converted Protocol Buffers to Mercurial anyway. However, it's still of general interest, IMO.)
...
Which terminal command to get just IP address and nothing else?
...er some scenarios (i.e. a VPN link is up), so a more reliable way would be converting the result to an array and then loop over the elements:
ips=($(hostname -I))
for ip in "${ips[@]}"
do
echo $ip
done
OSX
On OSX, if you know the interface, you could use:
~$ ipconfig getifaddr en0
192.168....
How to dynamic new Anonymous Class?
...untry);
yield return new ClassDescriptorKeyValue("Age", typeof(int?), x => x.Age);
yield return new ClassDescriptorKeyValue("IsChild", typeof(bool), x => x.Age < 21);
if (includeAddress)
yield return new ClassDescriptorKeyValue("Address",...
Best way to handle list.index(might-not-exist) in python?
...? :
li = [1,2,3,4,5] # create list
li = dict(zip(li,range(len(li)))) # convert List To Dict
print( li ) # {1: 0, 2: 1, 3: 2, 4:3 , 5: 4}
li.get(20) # None
li.get(1) # 0
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ASP.NET MVC - Should business logic exist in controllers?
Derik Whitaker posted an article a couple of days ago that hit a point that I've been curious about for some time: should business logic exist in controllers?
...
Adding header for HttpURLConnection
...RLConnection) object
.openConnection();
// int timeOut = connection.getReadTimeout();
connection.setReadTimeout(60 * 1000);
connection.setConnectTimeout(60 * 1000);
String authorization="xyz:xyz$123";
String encodedAuth=...
How much size “Null” value takes in SQL Server
...earer. Apologies for the disappearing comment. I meant to revise it but my Internet Connection went down between deletion and submission! It also depends a bit (From the comments section here) "For heap and clustered index record, there's always a NULL bitmap . For non-clustered indexes, there won't...
How to remove the last character from a string?
...moveLastChars(str, 1);
}
public static String removeLastChars(String str, int chars) {
return str.substring(0, str.length() - chars);
}
Full Code
public class Main {
public static void main (String[] args) throws java.lang.Exception {
String s1 = "Remove Last CharacterY";
S...