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How can a Java variable be different from itself?
... Thread t = new Thread(new Change());
t.setDaemon(true);
t.start();
while (true) {
if (x == x) {
System.out.println("Ok");
} else {
System.out.println("Not ok");
break;
}
}
}
}
c...
Git Pull While Ignoring Local Changes?
...essage when I've accidentally messed something up locally and just want to start over from the repo.
– sudo
Dec 15 '13 at 19:26
...
IntelliJ IDEA generating serialVersionUID
...Browse repositories → GenerateSerialVersionUID
Install the plugin and restart.
Now you can generate the id from menu Code → Generate → serialVersionUID` or the shortcut.
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Generating an MD5 checksum of a file
...lock, checksum)
return checksum & 0xffffffff
Note that this must start off with the empty string, as Adler sums do indeed differ when starting from zero versus their sum for "", which is 1 -- CRC can start with 0 instead. The AND-ing is needed to make it a 32-bit unsigned integer, which e...
What is the difference between Google App Engine and Google Compute Engine?
...ediately, while a call to App Engine may require a new instance - and cold-starting a new instance may take a few seconds or longer (depending on runtime and your code).
This makes Cloud Functions ideal for (a) rare calls - no need to keep an instance live just in case something happens, (b) rapidl...
Convert base class to derived class [duplicate]
...
public string StrProp { get; set; }
}
In global.asax or application startup:
AutoMapper.Mapper.CreateMap<A, B>();
Usage:
var b = AutoMapper.Mapper.Map<B>(a);
It's easily configurable via a fluent API.
...
How to set time delay in javascript
... calls you can use the method below:
function sleep(milliseconds) {
var start = new Date().getTime();
for (var i = 0; i < 1e7; i++) {
if ((new Date().getTime() - start) > milliseconds){
break;
}
}
}
...
What are the uses for Cross Join?
...t's possible it was a table of events and he needed to change it separate "start event" and "end event" entries). He realized that if he had a table with just two rows, he could do a cross join, selecting just the columns in the first table, and get exactly had he needed. So he created a simple tab...
What is Lazy Loading?
...ht use lazy loading, consider an application that takes a LOOOOONG time to start. This application is probably doing a lot of eager loading... loading things from disk, and doing calculations and whatnot long before it is ever needed.
Compare this to lazy loading, the application would start much ...
How do you unit test a Celery task?
...g.py exists in one's package. See docs.celeryproject.org/en/latest/getting-started/….
– Kamil Sindi
Mar 18 '16 at 16:35
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