大约有 6,887 项符合查询结果(耗时:0.0199秒) [XML]
How to develop a soft keyboard for Android? [closed]
... More explanation on this: fampennings.nl/maarten/android/09keyboard/index.htm
– TWiStErRob
Sep 9 '14 at 22:51
add a comment
|
...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...associative binary operator"
http://spark.apache.org/docs/1.0.0/api/scala/index.html#org.apache.spark.rdd.RDD
Here is proof that reduce is NOT just a special case of foldLeft
scala> val intParList: ParSeq[Int] = (1 to 100000).map(_ => scala.util.Random.nextInt()).par
scala> timeMany(100...
PHP parse/syntax errors; and how to solve them
...age. Syntax symbols aren't as easy to search for (Stack Overflow itself is indexed by SymbolHound though). Therefore it may take looking through a few more pages before you find something relevant.
Further guides:
PHP Debugging Basics by David Sklar
Fixing PHP Errors by Jason McCreary
PHP Errors ...
Why is it common to put CSRF prevention tokens in cookies?
...truct JQuery to supply a X-CSRF-TOKEN header in each AJAX call.
The main "index" page contains this JavaScript snippet:
// Intialize global variable CSRF_TOKEN to empty sting.
// This variable is set after a succesful login
window.CSRF_TOKEN = '';
// the supplied callback to .ajaxSend() is calle...
boost::flat_map and its performance compared to map and unordered_map
... flat land, whereas a standard unordered map just has to recreate the hash index, while the allocated data stays where it is. The disadvantage of course is that the memory is fragmented like hell.
The criterion of a rehash in an open address hash map is when the capacity exceeds the size of the buc...
Fast Bitmap Blur For Android SDK
...s very pretty and quite fast too.
Update for people encountering the ArrayIndexOutOfBoundsException problem : @anthonycr in the comments provides this information :
I found that by replacing Math.abs with StrictMath.abs or some other
abs implementation, the crash does not occur.
/**
* Sta...
Separation of business logic and data access in django
...s your actual data
this also includes your session / cookie / cache / fs / index data
user interacts with controller to manipulate the model
this could be an API, or a view that saves/updates your data
this can be tuned with request.GET / request.POST ...etc
think paging or filtering too.
the da...
How do you clear the SQL Server transaction log?
... abnormal event (say, an annual spring cleaning or rebuilding your biggest indexes), and not due to normal, everyday usage. If you shrink the log file to a ridiculously small size, and SQL Server just has to grow it again to accommodate your normal activity, what did you gain? Were you able to make ...
Is there a unique Android device ID?
...reserved or not 'null'. (see http://developer.android.com/about/dashboards/index.html)
If all else fails:
If all else fails, if the user does have lower than API 9 (lower than Gingerbread), has reset their device or 'Secure.ANDROID_ID' returns 'null', then simply the ID returned will be solely bas...
Why does C++ not have reflection?
... be optimized away.
operator[] on a vector is only comparable to raw
array indexing in performance
because the entire operator can be
inlined and thus removed entirely
from the compiled code. C# and Java
make a lot of guarantees about the
output of the compiler. If I define
a class in C#, then that ...