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Submit HTML form on self page
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Not so awesome. This would remove all query strings of the current URL if it has them.
– OMA
Aug 30 '19 at 17:13
2
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Comma separator for numbers in R?
... comment:
Be aware that these have the side effect of padding the printed strings with blank space, for example:
> prettyNum(c(123,1234),big.mark=",")
[1] " 123" "1,234"
Add trim=TRUE to format or preserve.width="none" to prettyNum to prevent this:
> prettyNum(c(123,1234),big.mark=",", ...
Are single quotes allowed in HTML?
...uotes in PHP so that I can interpolate variables rather than concatenating strings. As a result, when I am generating HTML I often use single quotes for setting tag fields. For example:
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Java 8 Iterable.forEach() vs foreach loop
...c.join(mSession, join));
is not intended as a shortcut for writing
for (String join : joins) {
mIrc.join(mSession, join);
}
and should certainly not be used in this way. Instead it is intended as a shortcut (although it is not exactly the same) for writing
joins.forEach(new Consumer<T&g...
z-index not working with fixed positioning
... @marflar My pleasure. Btw, take a look at your fiddle. there is an extra tag </body> and an extra tag </html> in the end.
– Michel Ayres
Mar 26 '14 at 18:52
2
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How to read a file without newlines?
...ing file one row at the time. Removing unwanted chars with from end of the string str.rstrip(chars)
with open(filename, 'r') as fileobj:
for row in fileobj:
print( row.rstrip('\n') )
see also str.strip([chars]) and str.lstrip([chars])
(python >= 2.0)
...
Difference between pre-increment and post-increment in a loop?
...value.
++a is known as prefix.
add 1 to a, returns the new value.
C#:
string[] items = {"a","b","c","d"};
int i = 0;
foreach (string item in items)
{
Console.WriteLine(++i);
}
Console.WriteLine("");
i = 0;
foreach (string item in items)
{
Console.WriteLine(i++);
}
Output:
1
2
3
4
0...
iOS: UIButton resize according to text length
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In UIKit, there are additions to the NSString class to get from a given NSString object the size it'll take up when rendered in a certain font.
Docs was here. Now it's here under Deprecated.
In short, if you go:
CGSize stringsize = [myString sizeWithFont:[UIFon...
Extract filename and extension in Bash
... would greedily remove the longest match to the . and you'd have the empty string.
(You can work around that with a temporary variable:
FULL_FILENAME=$FILENAME
FILENAME=${FULL_FILENAME##*/}
echo ${FILENAME%%.*}
)
This site explains more.
${variable%pattern}
Trim the shortest match from th...
How do I concatenate or merge arrays in Swift?
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If you're merging more than 2 arrays (or strings or whatever else), restrain yorself from using the + operator, it generates absolutely insane compile times.
– lawicko
Oct 21 '19 at 8:10
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