大约有 40,000 项符合查询结果（耗时：0.0460秒） [XML]
Collect successive pairs from a stream
...
Now you can limit your stream to the length you want
pairStream.limit(1_000_000).forEach(i -> System.out.println(i));
P.S. I hope there is better solution, something like clojure (partition 2 1 stream)
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Windows 7 SDK installation failure
...\AppData\Local\Temp\ or %temp%. The log file is most likely called SDKSetup_7.xxxxx.log.
Solution: Uninstall any existing Visual C++ 2010 redistributable.
I just had this problem, and I looked at the solution at Ctrl+F5, Fix Problem Installing Windows SDK for Windows 7, but it didn't work.
I goo...
How do I pass the this context to a function?
...for a function.
var myfunc = function(){
alert(this.name);
};
var obj_a = {
name: "FOO"
};
var obj_b = {
name: "BAR!!"
};
Now you can call:
myfunc.call(obj_a);
Which would alert FOO. The other way around, passing obj_b would alert BAR!!. The difference between .call() and .appl...
How to reference a file for variables using Bash?
...source
For example:
config.sh
#!/usr/bin/env bash
production="liveschool_joe"
playschool="playschool_joe"
echo $playschool
script.sh
#!/usr/bin/env bash
source config.sh
echo $production
Note that the output from sh ./script.sh in this example is:
~$ sh ./script.sh
playschool_joe
livescho...
ReSharper - force curly braces around single line
... formatting (see details at http://www.jetbrains.com/resharper/webhelp/Code_Cleanup__Index.html), so use the feature wisely.
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Why is there “data” and “newtype” in Haskell? [duplicate]
... was True or False:
helloMe :: CoolBool -> String
helloMe (CoolBool _) = "hello"
Instead of applying this function to a normal CoolBool, let's throw it a curveball and apply it to undefined!
ghci> helloMe undefined
"*** Exception: Prelude.undefined
Yikes! An exception! No...
Extract subset of key-value pairs from Python dictionary object?
...
A bit shorter, at least:
wanted_keys = ['l', 'm', 'n'] # The keys you want
dict((k, bigdict[k]) for k in wanted_keys if k in bigdict)
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Default value in Go's method
...er at the end
// a is required, b is optional.
// Only the first value in b_optional will be used.
func Concat2(a string, b_optional ...int) string {
b := 5
if len(b_optional) > 0 {
b = b_optional[0]
}
return fmt.Sprintf("%s%d", a, b)
}
**Option 3:** A config struct
// A declarativ...
Print a string as hex bytes?
...ex (convert str to bytes by calling .encode()).
– mic_e
May 8 '15 at 12:53
8
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ImportError: no module named win32api
...n installation for win32api and you should find win32api.pyd under ${PYTHON_HOME}\Lib\site-packages\win32.
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