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Regular expression to match URLs in Java
...placeholder.
String regex = "^(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]";
This works too:
String regex = "\\b(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]";
Note:
String regex = "<\\b(https?|ftp|file)://[-a-zA-Z0-9+&am...
How can I programmatically check whether a keyboard is present in iOS app?
...ade easier to use.
@interface KeyboardStateListener : NSObject {
BOOL _isVisible;
}
+ (KeyboardStateListener *)sharedInstance;
@property (nonatomic, readonly, getter=isVisible) BOOL visible;
@end
static KeyboardStateListener *sharedInstance;
@implementation KeyboardStateListener
+ (KeyboardS...
Private properties in JavaScript ES6 classes
...l super(). Yet babel puts them before super.
– seeker_of_bacon
Oct 3 '18 at 16:23
6
...
How to find issues that at some point has been assigned to you?
...
and what about ordering by last time I worked on it ?
– sashok_bg
May 2 '16 at 13:01
1
...
Rename specific column(s) in pandas
...nditional expressions like:
df.columns = ['log(gdp)' if x=='gdp' else 'cap_mod' if x=='cap' else x for x in df.columns]
Or, construct a mapping using a dictionary and perform the list-comprehension with it's get operation by setting default value as the old name:
col_dict = {'gdp': 'log(gdp)', '...
How to call a parent class function from derived class function?
...disambiguate it by adding the base class's name followed by two colons base_class::foo(...). You should note that unlike Java and C#, C++ does not have a keyword for "the base class" (super or base) since C++ supports multiple inheritance which may lead to ambiguity.
class left {
public:
void f...
HTML5 Local Storage fallback solutions [closed]
...Gears-based persistent storage.
localstorage: HTML5 draft storage.
whatwg_db: HTML5 draft database storage.
globalstorage: HTML5 draft storage (old spec).
ie: Internet Explorer userdata behaviors.
cookie: Cookie-based persistent storage.
Any of those can be disabled—if, for example, you don...
Convert Dictionary to semicolon separated string in c#
...
Edited according to comments.
– the_drow
Oct 6 '10 at 11:18
7
@Amittai, @the_dr...
What is the point of Lookup?
...
Reading answers order is jwg -> bobbymcr -> jonskeet
– snr
Apr 18 at 21:59
...
Meaning of Choreographer messages in Logcat [duplicate]
...actually responsible for executing 3 types of callbacks, which run in this order:
input-handling callbacks (handling user-input such as touch events)
animation callbacks for tweening between frames, supplying a stable frame-start-time to any/all animations that are running. Running these callbacks...