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Reactive Extensions bug on Windows Phone
...r is creating a connection to the compiler, and the debugger as well needs all vars to be strictly typed. The debugger is guessing correct, and the compiler is somehow taking ques from it. It doesnt really matter why the debugger fixes the problem, the root cause has been found.
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Shall we always use [unowned self] inside closure in Swift
... in order to make sure that it is still around by the time the closure is called.
Example: Making an asynchronous network request
If you are making an asynchronous network request you do want the closure to retain self for when the request finishes. That object may have otherwise been deallocated ...
Strip whitespace from jsp output
...s whitespace left by taglibs like JSTL and scriptlets. If you want to trim ALL whitespace from HTML, then head for a different solution. You can find a filter example here: balusc.blogspot.com/2007/12/whitespacefilter.html
– BalusC
Apr 19 '10 at 13:27
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How do HashTables deal with collisions?
...lookups in hash tables very slow.
Option 2: If the hash table entries are all full then the hash table can increase the number of buckets that it has and then redistribute all the elements in the table. The hash function returns an integer and the hash table has to take the result of the hash funct...
Differences between detach(), hide() and remove() - jQuery
... @comecme: If you have bound an event like a click handler to the span, call remove(), and attach it again, the binding will be gone and clicking the span will do nothing. If you call detach() and reattach, the binding stays and the click handler keeps working.
– lambshaanxy...
How to import a class from default package
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Wow I really don't know java at all. That was a great help. Guess I'll have to move my class into a package...
– anhoppe
Jan 20 '16 at 20:14
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Example for sync.WaitGroup correct?
... wg.Wait()
fmt.Println("Done")
}
However, it is rather pointless to call wg.Add over and over again when you already know how many times it will be called.
Waitgroups panic if the counter falls below zero. The counter starts at zero, each Done() is a -1 and each Add() depends on the paramet...
How do I save a String to a text file using Java?
In Java, I have text from a text field in a String variable called "text".
24 Answers
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What does an underscore in front of an import statement mean?
...initialization), use the blank identifier as explicit package name:
import _ "lib/math"
In sqlite3
In the case of go-sqlite3, the underscore import is used for the side-effect of registering the sqlite3 driver as a database driver in the init() function, without importing any other functions:
sql.R...
Turning live() into on() in jQuery
My application has dynamically added Dropdowns. The user can add as many as they need to.
5 Answers
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