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How do synchronized static methods work in Java and can I use it for loading Hibernate entities?
...The synchronization point works only when they interchange information to know what to prepare. Following a model like that really simplifies life.
– OscarRyz
Feb 24 '09 at 0:48
5...
How to “return an object” in C++?
I know the title sounds familiar as there are many similar questions, but I'm asking for a different aspect of the problem (I know the difference between having things on the stack and putting them on the heap).
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Converting Mercurial folder to a Git repository
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github now has a tool that supports this directly from github, see stackoverflow.com/questions/16037787/…
– Tommy
Sep 1 '16 at 2:03
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Git Clone: Just the files, please?
...s a remote:
git remote add myserver ssh://user@host:/path/to/barerepo.git
Now every time you push to this bare repo it will checkout the working tree to /workingfiles/. But /workingfiles/ itself is not under version control; running git status in /workingfiles/ will give the error fatal: Not a git ...
How to count items in a Go map?
...ents queued in channel buffer
Here are a couple examples ported from the now-retired SO documentation:
m := map[string]int{}
len(m) // 0
m["foo"] = 1
len(m) // 1
If a variable points to a nil map, then len returns 0.
var m map[string]int
len(m) // 0
Excerpted from Maps - Counting map ele...
Error Domain=NSURLErrorDomain Code=-1005 “The network connection was lost.”
.... I just got a new ISP and it runs kinda weird. This happens all the time now on simulator. Could be the network.
– noobsmcgoobs
Feb 11 '15 at 6:08
1
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How to extract the n-th elements from a list of tuples?
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@Wayne Werner: Yep. This stuff was all just passive knowledge (I don't often use it) - but it's good to be reminded now and then so you know where / what to look for...
– Daren Thomas
Jul 22 '10 at 13:14
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How can I deserialize JSON to a simple Dictionary in ASP.NET?
...or pointing out, I made some modification to this code but I don't have it now. This code doesn't handle JArray objects, I'll update the code once I have it.
– Dasun
Mar 4 '15 at 8:41
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How to use “/” (directory separator) in both Linux and Windows in Python?
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It's 2020, so this should now be the accepted answer. The Python devs added it to overcome problems in os, and it makes everything easier. Ex path.read_text(encoding="utf8"), path.read_bytes(), path.resolve(), path.unlink(), ...
–...
Arrow operator (->) usage in C
...t *(ptr.kg) which is not possible as pointer has no members! And compiler knows this and will therefore issue an error e.g.:
error: ‘ptr’ is a pointer; did you mean to use ‘->’?
printf("%d\n", *ptr.km);
Instead you use this (*ptr).kg and you force compiler to 1st dereference the poin...