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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...cannot necessarily be
modified. In an expression context,
the array is converted at once to a
pointer, as usual (see section 6), so
the second declaration initializes p
to point to the unnamed array's first
element.
Some compilers have a switch
controlling whether string liter...
Inheritance vs. Aggregation [closed]
...e point in the future.
Another thing I've found is that it's very hard to convert from inheritance to aggregation once there's a lot of code written around an inheritance hierarchy. Just switching from a superclass to an interface means changing nearly every subclass in the system.
And, as I menti...
Why can't I access DateTime->date in PHP's DateTime class?
...($time->format("Y-m-d H:i:s"));
} catch (Exception $e) {
}
Or you can convert to array:
<?php
try {
$time = (array) new DateTime();
var_dump($time["date"]);
} catch (Exception $e) {
}
share
|
...
What do 3 dots next to a parameter type mean in Java?
... @OlleSöderström Another reason is that the formal parameter is converted to be an array at compile-time. That means that passing in an array yields the same result. Since an array's length is not known at compile time, the restriction to pass at least one element could be bypassed by sim...
How to use hex color values
...
Alas, like many other hex converters, this doesn't handle alpha components. So, for example, you can't get a UIColor.clear value from it.
– Womble
Jan 6 '17 at 3:27
...
How do you load custom UITableViewCells from Xib files?
...iles, as prototype cells.
If you need to attach a class to them, you can select the cell prototype and add the corresponding class (must be a descendant of UITableViewCell, of course).
Dequeue
And later on, dequeued using (swift 3.0):
override func tableView(tableView: UITableView, cellForRowA...
What do the arrow icons in Subclipse mean?
... the following buttons:
- Synchronizes the local copy with the currently selected repository when clicked. Selecting from the drop-down allows switching between different remote code bases.
- Shows only incoming changes (remote → local).
- Shows only outgoing changes (local → remote).
- Sho...
Is there an equivalent for var_dump (PHP) in Javascript?
...ehaviors based on existance or
// absence of a var_name parameter. By converting 'undefined' to 'empty
// string', the length greater than zero test can be applied in all cases.
var_name = typeof var_name === 'undefined' ? '':var_name;
var out = '';
var v_name = '';
switch ...
Python integer division yields float
...ge / preserves type. i would make more sense then for // to automatically convert to float, not /.
– thang
Sep 11 '17 at 20:22
1
...
Pandas percentage of total with groupby
... @Cancer This is my fav answer as it keeps the df as a df (without converting to series) and merely adds a % column. Thank you
– T.Fung
May 16 at 13:25
...