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Why does ~True result in -2?
...ws the binary arithmetic interpretation of what's going on, not the actual bytecode (which would be some sort of intermediate or operation level code compiled from the source).
– Patrick M
Feb 19 '14 at 15:53
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How to display gpg key details without importing it?
...[revoked: 2016-03-01]
sub rsa4096 2016-02-24 [A] [expires: 2020-02-23]
By setting --keyid-format 0xlong, long key IDs are printed instead of the insecure short key IDs:
$ gpg a4ff2279.asc
gpg: WARNING: no command supplied. Trying...
Running a specific test case in Django when your app has a tests directory
...opics/testing/#running-tests ) says that you can run individual test cases by specifying them:
6 Answers
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What issues should be considered when overriding equals and hashCode in Java?
...ve straight from Object, there's no point because all Objects are distinct by default.
– Antti Kissaniemi
May 28 '09 at 19:03
312
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Maven: Command to update repository after adding dependency to POM
... downloading anything. I wonder if mvn eclipse:eclipse is the command sent by eclipse itself when we rightclick->Maven->Update Project...
– Paolo
Mar 25 at 7:06
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How do I get the calling method name and type using reflection? [duplicate]
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You can use it by using the StackTrace and then you can get reflective types from that.
StackTrace stackTrace = new StackTrace(); // get call stack
StackFrame[] stackFrames = stackTrace.GetFrames(); // get method calls (frames)
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Django: Why do some model fields clash with each other?
...dule models.py file twice and throws the above error. This can be resolved by not including the main module in the INSTALLED_APPS list:
'myapp.module',
Including the myapp instead of myapp.module causes all the database tables to be created with incorrect names, so this seems to be the correct wa...
Difference between “\n” and Environment.NewLine
... opened in Unix platform. Or sending text in package that will be received by a unix platform. And in a few months .net will be running on Unix platforms. It already has begun
– John Demetriou
May 1 '15 at 13:36
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Easy way to print Perl array? (with a little formatting)
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If you're coding for the kind of clarity that would be understood by someone who is just starting out with Perl, the traditional this construct says what it means, with a high degree of clarity and legibility:
$string = join ', ', @array;
print "$string\n";
This construct is documented i...
Eclipse: Enable autocomplete / content assist
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By default in Eclipse you only have to press Ctrl-space for autocomplete. Then select the desired method and wait 500ms for the javadoc info to pop up.
If this doesn't work go to the Eclipse Windows menu -> Preferences -&g...