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How to use regex in String.contains() method in Java
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Feb 28 '13 at 8:01
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Open files in 'rt' and 'wt' modes
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+50
t refers to the text mode. There is no difference between r and rt or w and wt since text mode is the default.
Documented here:
Cha...
How to integrate nodeJS + Socket.IO and PHP?
...{ name: data.name, message: data.message } );
});
});
server.listen( 8080 );
We registered our events callback when a new user is connected ; every time we receive a message (represents a chat message), we broadcast it to every users connected. Now, the tricky part: client-side! That the part...
Group by with multiple columns using lambda
...tems?
– Enigmativity
Aug 4 '11 at 3:00
If my 'source' variable is a Dictionary Collection this not work. Suggestions?
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How to check if variable's type matches Type stored in a variable
...om:
bool b9 = typeof(Tiger).IsAssignableFrom(x.GetType()); // true
bool b10 = typeof(Animal).IsAssignableFrom(x.GetType()); // true! A variable of type Animal may be assigned a Tiger.
or with the type variable
bool b11 = t.IsAssignableFrom(x.GetType()); // true
bool b12 = t.IsAssignableFrom(x.GetT...
dealloc in Swift
...brary/content/releasenotes/Foundation/RN-FoundationOlderNotes/index.html#X10_11Notes
NSNotificationCenter
In OS X 10.11 and iOS 9.0 NSNotificationCenter and NSDistributedNotificationCenter will no longer send notifications to registered observers that may be deallocated. If the observer is able to ...
Rails formatting date
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Use
Model.created_at.strftime("%FT%T")
where,
%F - The ISO 8601 date format (%Y-%m-%d)
%T - 24-hour time (%H:%M:%S)
Following are some of the frequently used useful list of Date and Time formats that you could specify in strftime method:
Date (Year, Month, Day):
%Y - Year with cen...
How to apply shell command to each line of a command output?
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answered Apr 26 '10 at 3:34
Michael MrozekMichael Mrozek
141k2424 gold badges151151 silver badges159159 bronze badges
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Get an object properties list in Objective-C
...perties = class_copyPropertyList([self class], &outCount);
for(i = 0; i < outCount; i++) {
objc_property_t property = properties[i];
const char *propName = property_getName(property);
if(propName) {
const char *propType = getPropertyType(property);
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Filter element based on .data() key/value
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+500
your filter would work, but you need to return true on matching objects in the function passed to the filter for it to grab them.
va...