大约有 5,476 项符合查询结果(耗时:0.0362秒) [XML]
CORS Access-Control-Allow-Headers wildcard being ignored?
..."Asia/Jerusalem"
Header set Keep-Alive timeout=100,max=500
Header set Access-Control-Allow-Origin "*"
Header set Access-Control-Allow-Headers "Accept, Accept-CH, Accept-Charset, Accept-Datetime, Accept-Encoding, Accept-Ext, Accept-Features, Accept-Lan...
Scala: What is a TypeTag and how do I use it?
...ect.ClassTag[Int] = ClassTag[int]
scala> classTag[Int].runtimeClass
res100: Class[_] = int
scala> classTag[Int].newArray(3)
res101: Array[Int] = Array(0, 0, 0)
scala> classTag[List[Int]]
res104: scala.reflect.ClassTag[List[Int]] =↩
ClassTag[class scala.collection.immutable.List...
What does the git index contain EXACTLY?
...t ls-files can show you the contents of the index:
$ git ls-files --stage
100644 63c918c667fa005ff12ad89437f2fdc80926e21c 0 .gitignore
100644 5529b198e8d14decbe4ad99db3f7fb632de0439d 0 .mailmap
The Racy git problem gives some more details on that structure:
The index is one of the most import...
Why does SIGPIPE exist?
...
Charlie MartinCharlie Martin
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Architecture for merging multiple user accounts together
...
+100
I am faced with the exact same task at the moment. The design I worked out is rather simple, but it works well.
The core idea is t...
Android ListView headers
...
+100
Here's how I do it, the keys are getItemViewType and getViewTypeCount in the Adapter class. getViewTypeCount returns how many types...
What is polymorphism, what is it for, and how is it used?
...s etc are instantiated.
petraeus.Advise(); // # Petraeus says send 100,000 troops to Fallujah
condolezza.Advise(); // # she says negotiate trade deal with Iran
healthOfficials.Advise(); // # they say we need to spend $50 billion on ObamaCare
}
}
This approach allows the...
Why are floating point numbers inaccurate?
...ple, 9.2, here's what we get:
>>> float_to_bin_parts(9.2)
['0', '10000000010', '0010011001100110011001100110011001100110011001100110']
Interpreting the Data
You'll see I've split the return value into three components. These components are:
Sign
Exponent
Mantissa (also called Signif...
Algorithm to generate a crossword
...n.
Once the word/clue file got up to a certain size (and it was adding 50-100 clues a day for this client), there was rarely a case of more than two or three manual fix ups that had to be done for each crossword.
share
...
JavaScript hashmap equivalent
...d executes instantaneously. All "hash tables in JavaScript" I saw were >100 lines of code, and involved multiple objects. Compare it with: dict[key] = value.
Another point: is it even possible to beat a performance of a primordial object written in a low-level language, using JavaScript and the v...