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Load a UIView from nib in Swift
...2
guard let contentView = Bundle(for: type(of: self)).loadNibNamed(String(describing: type(of: self)), owner: self, options: nil)?.first as? T else { // 3
// xib not loaded, or its top view is of the wrong type
return nil
}
self.addSubview(contentVi...
Laravel migration: unique key is too long, even if specified
...
Specify a smaller length for your e-mail:
$table->string('email', 250);
Which is the default, actually:
$table->string('email');
And you should be good.
For Laravel 5.4 you can find a solution in this Laravel 5.4: Specified key was too long error, Laravel News post:...
How to append output to the end of a text file
...
The problem is that echo removes the newlines from the string. How do you append to a file a string which contains newlines?
– Timothy Swan
Dec 15 '17 at 21:25
...
How to detect idle time in JavaScript elegantly?
...the end of an expression statement are optional and you can in fact pass a string to setInterval, which then gets evaluated as JavaScript.
– Felix Kling
Nov 17 '13 at 17:51
...
Is if(items != null) superfluous before foreach(T item in items)?
... NullReferenceException. However you can do something like this:
List<string> items = null;
foreach (var item in items ?? new List<string>())
{
item.Dump();
}
but you might check performance of it. So I still prefer having if (items != null) first.
Based on Eric's Lippert sug...
Sorting object property by values
...and you can choose to sort by whatever object property you want, number or string, if you put the objects in an array. Consider this array:
var arrayOfObjects = [
{
name: 'Diana',
born: 1373925600000, // Mon, Jul 15 2013
num: 4,
sex: 'female'
},
{
...
'is' versus try cast with null check
... below the belt. Take a look at this example:
object o = "test";
if (o is string)
{
var x = (string) o;
}
This translates to the following IL:
IL_0000: nop
IL_0001: ldstr "test"
IL_0006: stloc.0 // o
IL_0007: ldloc.0 // o
IL_0008: isinst System.String
IL_000D...
How to accept Date params in a GET request to Spring MVC Controller?
...apping(value="/fetch" , method=RequestMethod.GET)
public @ResponseBody String fetchResult(@RequestParam("from") @DateTimeFormat(pattern="yyyy-MM-dd") Date fromDate) {
//Content goes here
}
Yes, it's simple. Just add the DateTimeFormat annotation.
...
Store print_r result into a variable as a string or text
...flow.com%2fquestions%2f9325067%2fstore-print-r-result-into-a-variable-as-a-string-or-text%23new-answer', 'question_page');
}
);
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...
What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...a slight edge:
static void Main() {
var d = new Dictionary<string, string> {{"a", "b"}};
var start = DateTime.Now;
for (int i = 0; i != 10000000; i++) {
string x;
if (!d.TryGetValue("a", out x)) throw new ApplicationException("Oops");
...