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地图组件（高德地图） · App Inventor 2 中文网
... FillColor。
标记 还可以通过调用 地图 的 CreateMarker 方法动态创建，并使用 “Any Component” 块进行配置。
属性
锚点水平对齐
设置或获取 标记 中心相对于其图像的水平偏移量。有效值为：1（左）、2（右）...
Fastest hash for non-cryptographic uses?
...;
}
?>
And the output
1 - crc32b 0.111036300659
2 - crc32 0.112048864365
3 - md4 0.120795726776
4 - md5 0.138875722885
5 - sha1 0.146368741989
6 - adler32 0.15501332283
7 - tiger192,3 0.177447080612
8 - tiger160,3 0.179498195648
9 - tiger128,3 0.184012889862
10 - ripemd128 0.184052705765
11 ...
Forward an invocation of a variadic function in C
...Rosenfield
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5
...
What is the difference between Int and Integer?
...ay
recognise the "bignum" type here.
"Int" is the more common 32 or 64 bit
integer. Implementations vary,
although it is guaranteed to be at
least 30 bits.
Source: The Haskell Wikibook. Also, you may find the Numbers section of A Gentle Introduction to Haskell useful.
...
Android Archive Library (aar) vs standard jar
...ems that Android has also aar packages, which are the equivalent to the dll files in a Windows OS, as mentioned here :
...
Generate a Hash from string in Javascript
...ained here, we can extend the hash bit size using this trick:
function hash64(str) {
var h1 = hash32(str); // returns 32 bit (as 8 byte hex string)
return h1 + hash32(h1 + str); // 64 bit (as 16 byte hex string)
}
Use it with care and don't expect too much though.
...
Converting a Java Keystore into PEM Format
... pub:
00:e2:66:5c:e0:2e:da:e0:6b:a6:aa:97:64:59:14:
7e:a6:2e:5a:45:f9:2f:b5:2d:f4:34:27:e6:53:c7:
bash$ keytool -importkeystore -srckeystore foo.jks \
-destkeystore foo.p12 \
-srcstoretype jks \
-deststoretype pkcs12
Enter ...
Get Unix Epoch Time in Swift
...-bit numbers won't be usable for the Unix timestamp and they'll have to be 64-bit.
let seconds = Date().timeIntervalSince1970
let milliseconds = Date().timeIntervalSince1970 * 1_000
let microseconds = Date().timeIntervalSince1970 * 1_000_000
An extension:
extension Date {
var unixTimestamp: ...
How to get the first column of a pandas DataFrame as a Series?
... [7]: df.iloc[:,0]
Out[7]:
0 1
1 2
2 3
3 4
Name: x, dtype: int64
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Xcode 'Build and Archive' menu item disabled
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