大约有 15,400 项符合查询结果(耗时:0.0283秒) [XML]
Convert hyphens to camel case (camelCase)
With regex (i assume) or some other method, how can i convert things like:
13 Answers
...
Getting Java version at runtime
I need to work around a Java bug in JDK 1.5 which was fixed in 1.6. I'm using the following condition:
12 Answers
...
Serializing with Jackson (JSON) - getting “No serializer found”?
I get the an exception when trying to serialize a very simple object using Jackson. The error:
18 Answers
...
Comment shortcut Android Studio
...eful Android Studio keyboard shortcut for commenting code, as in Sublime Text or Eclipse.
24 Answers
...
Error in plot.new() : figure margins too large in R
...lem try:
par(mar = rep(2, 4))
then plot the second image
image(as.matrix(leg),col=cx,axes=T)
You'll need to play around with the size of the margins on the par() call I show to get this right. You may also need to increase the size of the actual device onto which you are plotting.
A final tip...
What is the reason for having '//' in Python? [duplicate]
...less one of the operands was already a floating point number.
In Python 2.X:
>>> 10/3
3
>>> # to get a floating point number from integer division:
>>> 10.0/3
3.3333333333333335
>>> float(10)/3
3.3333333333333335
In Python 3:
>>> 10/3
3.3333333333333...
Any way to clear python's IDLE window?
... Note this is python tag. Non version specific. For all python 3.x users it is print('\n'*100)
– Luke
Jun 6 '16 at 2:23
|
show 3 m...
PHP PDO returning single row
...gets one row. So no foreach loop needed :D
$row = $STH -> fetch();
example (ty northkildonan):
$dbh = new PDO(" --- connection string --- ");
$stmt = $dbh->prepare("SELECT name FROM mytable WHERE id=4 LIMIT 1");
$stmt->execute();
$row = $stmt->fetch();
...
Extracting the last n characters from a ruby string
... @AndrewGrimm You're right, for that case I used the above with Nokogiri n.xpath('ReferenceID').inner_text.split(//).last(7).join.to_s.to_i I needed the to_s to perform the to_i to extract the numeric value.
– Hard-Boiled Wonderland
Dec 5 '12 at 12:31
...
Error CS1705: “which has a higher version than referenced assembly”
...n unintentionally, which worked like a charm.
– baymax
Mar 22 '17 at 16:42
add a comment
...
