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Pick a random value from an enum?
... new RandomEnum<Season>(Season.class);
public static void main(String[] args) {
System.out.println(r.random());
}
private static class RandomEnum<E extends Enum<E>> {
private static final Random RND = new Random();
private final E[] values;
...
How to read if a checkbox is checked in PHP?
... this in pure simple php. but have to note that the value of a checkbox is string on when it is activated an a inexisting value if it is checked.
– Elvis Technologies
Nov 24 '18 at 5:07
...
How to determine if a process runs inside lxc/Docker?
...4 using LXC privileged container. /proc/1/cgroup does NOT contain the lxc string.
– Gab
Sep 1 '19 at 11:51
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show 2 more comments
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How to clone a Date object?
... the dates in at least Firefox and IE (not Chrome). For example using toISOString() on the both dates in Firefox generates "2015-04-21T04:56:42.000Z" and "2015-04-21T04:56:42.337Z".
– crudh
Apr 21 '15 at 4:57
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How to read a large file line by line?
...lso, use rtrim($file->fgets()) to strip trailing newlines for each line string that is read if you don't want them.
– racl101
Nov 22 '17 at 23:32
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Replacement for deprecated -sizeWithFont:constrainedToSize:lineBreakMode: in iOS 7?
...[text boundingRectWithSize:size
options:NSStringDrawingUsesLineFragmentOrigin
attributes:@{NSFontAttributeName:FONT}
context:nil];
CGSize size = textRect.size;
Just change "FONT" for an "[UIFont font.....
nvarchar(max) vs NText
... want to be using. The biggest advantage is that you can use all the T-SQL string functions on this data type. This is not possible with ntext. I'm not aware of any real disadvantages.
share
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impro...
Error: Could not find or load main class [duplicate]
...epackagename;
public class TheClassName {
public static final void main(String[] cmd_lineParams) {
System.out.println("Hello World!");
}
}
Then calling:
java -classpath . TheClassName
results in Error: Could not find or load main class TheClassName. This is because it must be calle...
How to make good reproducible pandas examples
...search (search the docs, search StackOverflow), give a summary:
The docstring for sum simply states "Compute sum of group values"
The groupby docs don't give any examples for this.
Aside: the answer here is to use df.groupby('A', as_index=False).sum().
if it's relevant that you have Times...
Draw a perfect circle from user's touch
...;
g.drawOval(cX, cY, cD, cD);
}else{
g.drawString("Uknown",30,50);
}
}
private Type getType(int dx, int dy) {
Type result = Type.UNDEFINED;
if (dx > 0 && dy < 0) {
result = Type.RIGHT_DOWN;
} else if...