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Real differences between “java -server” and “java -client”?
...intended for executing long-running server applications, which need the fastest possible operating speed more than a fast start-up time or smaller runtime memory footprint.
The Client VM compiler serves as an upgrade for both the Classic VM and the just-in-time (JIT) compilers used by previous versi...
What are the lesser known but useful data structures?
...
@FreshCode It actually lets you cheaply test for the absence of an element in the set since you can get false positives but never false negatives
– Tom Savage
May 24 '10 at 17:19
...
How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
...urn new SimpleDateFormat("d'th' 'of' MMMM yyyy").format(date);
}
For testing purose
Example: calling it from main method!
Date date = new Date();
Calendar cal=Calendar.getInstance();
cal.setTime(date);
for(int i=0;i<32;i++){
System.out.println(getFormatte...
How do I make an asynchronous GET request in PHP?
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I would recommend you well tested PHP library: curl-easy
<?php
$request = new cURL\Request('http://www.externalsite.com/script2.php?variable=45');
$request->getOptions()
->set(CURLOPT_TIMEOUT, 5)
->set(CURLOPT_RETURNTRANSFER, true)...
Nesting await in Parallel.ForEach
...nd post those to the getCustomerBlock. At least that's what I found when I tested this suggestion.
– JasonLind
Dec 16 '15 at 22:23
4
...
Git: How to remove file from index without deleting files from any repository
... could incorporate a defaulting mechanism into the launch/deploy process:
test -f foo.conf || test -f foo.conf.default &&
cp foo.conf.default foo.conf
With such a defaulting mechanism in place, users should be able to pull a commit that renames foo.conf to foo.conf.default without hav...
How to iterate for loop in reverse order in swift?
...void creating a large array, use lazy along with reverse(). The following test runs efficiently in a Playground showing it is not creating an array with one trillion Ints!
Test:
var count = 0
for i in lazy(1...1_000_000_000_000).reverse() {
if ++count > 5 {
break
}
println(...
How do I add a foreign key to an existing SQLite table?
...d) references parent(id))'
) where name = 'child' and type = 'table';
--- test the foreign key
pragma foreign_keys=on;
insert into parent values(1);
insert into child values(1, 1, 'hi'); --- works
insert into child values(2, 2, 'bye'); --- fails, foreign key violation
or more generally:
pragma w...
Any reason to clean up unused imports in Java, other than reducing clutter?
...y.
Addendum: Today the build server started failing compilation (not even test running) with an out of memory error. It ran fine forever and the check-ins didn't have any changes to the build process or significant additions that could explain this. After attempting to increase memory settings (thi...
Tablet or Phone - Android
... in a few days when my friend comes back into town. However.....I've been testing Helton Isac's answer and it works beautifully. Please check that too.
– petey
Apr 11 '12 at 14:40
...