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What is the advantage of using abstract classes instead of traits?
...ride def a = {
println("Y")
super.a
}
}
scala> val xy = new AnyRef with X with Y
xy: java.lang.Object with X with Y = $anon$1@6e9b6a
scala> xy.a
Y
X
res0: Int = 1
scala> val yx = new AnyRef with Y with X
yx: java.lang.Object with Y with X = $anon$1@188c838
scala> yx...
Extract a regular expression match
...s a regular expression (rather than a margin):
library(gsubfn)
x <- c("xy13", "ab 12 cd 34 xy")
strapply(x, "\\d+", as.numeric)
# list(13, c(12, 34))
This says to match one or more digits (\d+) in each component of x passing each match through as.numeric. It returns a list whose components ar...
HTTP response code for POST when resource already exists
...
@Tamer Why so? The command "Please create object xy" is syntactically correct. It is semantically correct only if it is possible to create object xy. If object xy already exists, it can no longer be created, hence this is a semantic error.
– Hagen von ...
android: stretch image in imageview to fit screen
...
to change pro-grammatically use :
imgview.setScaleType(ScaleType.FIT_XY);
OR
to change from xml use:
android:scaleType="fitXY"
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Spring Data JPA - “No Property Found for Type” Exception
...nswered May 9 '15 at 11:21
Zane XYZane XY
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...
Is a colon `:` safe for friendly-URL use?
...ding
scheme. Then each byte is represented
by the 3-character string "%xy", where
xy is the two-digit hexadecimal
representation of the byte. The
recommended encoding scheme to use is
UTF-8. However, for compatibility
reasons, if an encoding is not
specified, then the default encodin...
URLEncoder not able to translate space character
...encoding scheme. Then each byte is represented by the 3-character string "%xy", where xy is the two-digit hexadecimal representation of the byte. The recommended encoding scheme to use is UTF-8. However, for compatibility reasons, if an encoding is not specified, then the default encoding of the pla...
Best way to generate random file names in Python
... answered Jun 4 '17 at 18:05
4xy4xy
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...
How to put individual tags for a scatter plot
...(labels, data[:, 0], data[:, 1]):
plt.annotate(
label,
xy=(x, y), xytext=(-20, 20),
textcoords='offset points', ha='right', va='bottom',
bbox=dict(boxstyle='round,pad=0.5', fc='yellow', alpha=0.5),
arrowprops=dict(arrowstyle = '->', connectionstyle='arc...
How to create GUID / UUID?
...tion uuidv4() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
}
console.log(uuidv4());
Update, 2015-06-02: Be aware that UUID uniqueness relie...