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What is P99 latency?
...
Also, <= 'latency time'
– Core_Dumped
Apr 27 '18 at 0:31
7
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SHA1 vs md5 vs SHA256: which to use for a PHP login?
...eating a hash
$hash = password_hash($password, PASSWORD_DEFAULT, ['cost' => 12]);
// If you omit the ['cost' => 12] part, it will default to 10
// Verifying the password against the stored hash
if (password_verify($password, $hash)) {
// Success! Log the user in here.
}
If you're usin...
Apache Spark: map vs mapPartitions?
...ent for example : see below.
val newRd = myRdd.mapPartitions(partition => {
val connection = new DbConnection /*creates a db connection per partition*/
val newPartition = partition.map(record => {
readMatchingFromDB(record, connection)
}).toList // consumes the iterator, thus call...
Extracting substrings in Go
...hich is different from what you have in C.
any slice in Go stores the length (in bytes), so you don't have to care about the cost of the len operation : there is no need to count
Go strings aren't null terminated, so you don't have to remove a null byte, and you don't have to add 1 after slicing b...
iOS 7 - How to display a date picker in place in a table view?
...atePicker.Alpha = 0.0f;
UIView.Animate (0.25, animation:
() => {
this.datePicker.Alpha = 1.0f;
}
);
}
Hide date picker:
private void hideDatePickerCell(){
datePickerIsShowing = false;
this.TableView.BeginUpdates ();
this.TableView.EndUpdates ()...
Java8 Lambdas vs Anonymous classes
...e type declaration for p1 and p2:
Collections.sort(personList, (p1, p2) -> p1.firstName.compareTo(p2.firstName));
You can also use method reference here. Either you add a compareByFirstName() method in Person class, and use:
Collections.sort(personList, Person::compareByFirstName);
or, add ...
IIS_IUSRS and IUSR permissions in IIS8
...wered Feb 28 '13 at 9:37
Travis GTravis G
1,47211 gold badge1313 silver badges1616 bronze badges
...
Syntax error on print with Python 3 [duplicate]
...newline
New: print() # You must call the function!
Old: print >>sys.stderr, "fatal error"
New: print("fatal error", file=sys.stderr)
Old: print (x, y) # prints repr((x, y))
New: print((x, y)) # Not the same as print(x, y)!
Source: What’s New In Python 3.0?
...
Invalid syntax when using “print”? [duplicate]
...newline
New: print() # You must call the function!
Old: print >>sys.stderr, "fatal error"
New: print("fatal error", file=sys.stderr)
Old: print (x, y) # prints repr((x, y))
New: print((x, y)) # Not the same as print(x, y)!
...
Multiple Order By with LINQ [duplicate]
...the ThenBy and ThenByDescending extension methods:
foobarList.OrderBy(x => x.Foo).ThenBy( x => x.Bar)
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