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Why is a combiner needed for reduce method that converts type in java 8
... provide foldLeft and foldRight operations because they imply a particular ordering of operations that is inherently sequential. This clashes with the design principle stated above of providing APIs that support sequential and parallel operation equally.
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在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...igned phone area. Even so, the large image needs to be held in memory in order for rescaling to occur, even if the result of the rescaling will be a small image.
2. An example of misusing large images
Suppose you are going to display a grid of the letters of the alphabet, where each letter is in ...
Get and Set a Single Cookie with Node.js HTTP Server
... cookie contains an equal (=) sign as in one of Facebook's cookies like fbm_1234123412341234=base_domain=.domain.com.
– Eye
Oct 3 '12 at 9:31
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JavaScript % (modulo) gives a negative result for negative numbers
...10) instead of -13 % 10. It would be more clear.
– Jp_
Dec 1 '16 at 10:58
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can we use xpath with BeautifulSoup?
...VResult.html"
response = requests.get(url, stream=True)
response.raw.decode_content = True
tree = lxml.html.parse(response.raw)
Of possible interest to you is the CSS Selector support; the CSSSelector class translates CSS statements into XPath expressions, making your search for td.empformbody tha...
Setting ANDROID_HOME enviromental variable on Mac OS X
Could anybody post a working solution for setting ANDROID_HOME via the terminal?
12 Answers
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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
...s is still unique for a lot of them, but when we're talking about just two orders of magnitude difference between number of objects and the hash size, there will be collisions in truncated hash values.
It's no longer even close to unrealistic - it happens all the time.
We should both increase...
IPC performance: Named Pipe vs Socket
...ults are get with IPC benchmarking:
System: Linux (Linux ubuntu 4.4.0 x86_64 i7-6700K 4.00GHz)
Message: 128 bytes
Messages count: 1000000
Pipe benchmark:
Message size: 128
Message count: 1000000
Total duration: 27367.454 ms
Average duration: 27.319 us
Minimum duration: 5.888...
Deserializing JSON data to C# using JSON.NET
...eserialization" attack. Please refer to owasp.org/www-project-top-ten/OWASP_Top_Ten_2017/…
– Matias Bello
Sep 14 at 0:34
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Do you need to dispose of objects and set them to null?
...e collector sees fit. Sometimes, you may need to set an object to null in order to make it go out of scope (such as a static field whose value you no longer need), but overall there is usually no need to set to null.
Regarding disposing objects, I agree with @Andre. If the object is IDisposable i...