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Java null check why use == instead of .equals()
...l-tolerant methods
for computing the hash code of an object, returning a string for an
object, and comparing two objects.
Since:
1.7
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How can I write a heredoc to a file in Bash script?
....
This line is indented.
EOF
Note that the final 'EOF' (The LimitString) should not have any whitespace in front of the word, because it means that the LimitString will not be recognized.
In a shell script, you may want to use indentation to make the code readable, however this can have t...
Converting BigDecimal to Integer
...ge = new BigDecimal("10000000000000000000000000000000000000000000000")
String decimalAsBigIntString = decimal.toBigInteger().toString()
String hugeDecimalAsBigIntString = hugeDecimal.toBigInteger().toString()
String reallyHugeAsBigIntString = reallyHuge.toBigInteger().toString()
exp...
How does a debugger work?
...t can acertain what might be in the memory, with contents of ints, floats, strings, etc.). Like the first poster said, this information and how these symbols work greatly depends on the environment and the language.
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RabbitMQ / AMQP: single queue, multiple consumers for same message?
...) {
console.log('about to publish')
var encoded_payload = JSON.stringify(payload);
exchange.publish('', encoded_payload, {})
}
// Recieve messages
connection.queue("my_queue_name", function(queue){
console.log('Created queue')
queue.bind(exchange, '');
...
What are some examples of commonly used practices for naming git branches? [closed]
...ng branch names can be more helpful in "merge commits" if you do not habitually rewrite them by hand. The default merge commit message is Merge branch 'branch-name'. You may find it more helpful to have merge messages show up as Merge branch 'fix/CR15032/crash-when-unformatted-disk-inserted' inste...
Sqlite primary key on multiple columns
... keys in any DBMS.
create table foo
(
fooint integer not null
,foobar string not null
,fooval real
,primary key (fooint, foobar)
)
;
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log4j vs logback [closed]
... improvements like in example Log4j 2 operates with bytestreams instead of Strings under the hood. Also it doesn't loose events while reconfiguring.
Log4j 2 can log with higher speed than other frameworks I know: http://www.grobmeier.de/log4j-2-performance-close-to-insane-20072013.html
And still t...
Type Checking: typeof, GetType, or is?
...is basically a whole bunch of methods with the appropriate type. Example:
string Foo<T>(T parameter) { return typeof(T).Name; }
Animal probably_a_dog = new Dog();
Dog definitely_a_dog = new Dog();
Foo(probably_a_dog); // this calls Foo<Animal> and returns "Animal"
Foo<Animal>...
Correct format specifier to print pointer or address?
...tr_t) cast is unambiguously recommended by GCC when it can read the format string at compile time. I think it is correct to request the cast, though I'm sure there are some who would ignore the warning and get away with it most of the time.
Kerrek asks in the comments:
I'm a bit confused abo...