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Clojure differences between Ref, Var, Agent, Atom, with examples
...is question, I can reproduce a short snip-it of the motivations for each:
start by watching this video on the notion of Identity and/or studying here.
Refs are for Coordinated Synchronous access to "Many Identities".
Atoms are for Uncoordinated synchronous access to a single Identity.
Agents are ...
How to throw a C++ exception
...ception, when you catch "all possible" exceptions types, you should always start the catch clauses with the "most derived" exception type that may be caught. See the example (of what NOT to do):
#include <iostream>
#include <string>
using namespace std;
class MyException : public exce...
How and why do I set up a C# build machine? [closed]
...d? If we make nightly builds, should we keep around all the old builds, or start to ditch them after about a week or so?
A: Thats up to you, after so long I move our build artifacts to long term storage or delete them, but all the data which is stored in text files / xml files I keep around, this l...
How to Batch Rename Files in a macOS Terminal?
...mv "$f" "${f/_*_/_}"; done
Note: If there's a chance that your filenames start with -, place -- before them[1]:
mv -- "$f" "${f/_*_/_}"
Note: echo is prepended to mv so as to perform a dry run. Remove it to perform actual renaming.
You can run it from the command line or use it in a script.
"...
Git-Based Source Control in the Enterprise: Suggested Tools and Practices?
...hought you knew)
No commercial support options available
I don't want to start a git vs. hg flamewar here, you have already done the right step by switching to a DVCS. Mercurial addresses some of the points above and I think it is therefore better suited in an enterprise context:
All plattforms ...
Is quitting an application frowned upon?
...il mid-stream. Generally, that's not a good thing. Either check updates on start or check updates totally asynchronously (e.g., via a scheduled task), never on exit.
Some comments suggest that hitting the
back button does not kill the app at
all (see link in my question above).
Pressing the BACK b...
Retrieve column names from java.sql.ResultSet
...
You may be surprised as me seeing column count starting at 1. You can iterate through column names with for (int i = 1; i <= rsmd.getColumnCount(); i++) String name = rsmd.getColumnName(i);
– Alphaaa
Nov 19 '15 at 7:03
...
Show just the current branch in Git
... Finally, what seems like it should have been there from the start, has been added!
– dtasev
Mar 22 '19 at 11:43
...
What is the difference between UTF-8 and Unicode?
...e headers interpreted? if i look at the first table then i think: if byte starts with bit 0 then the character is represented by 1 bite (the current one), if byte starts with 110 then the character is represented by 2 bytes(the current and the next one(remaining bits after 10)), if byte starts with...
Why not use java.util.logging?
...at marketshare that didn't just drop to 0 when 1.4 was release.
JUL didn't start out all that great, many of the things you mentioned where a lot worse in 1.4 and only got better in 1.5 (and I guess in 6 as well, but I'm not too sure).
JUL isn't well suited for multiple applications with different c...