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How to combine paths in Java?
... elegant and robust.
Note that Paths.get() (as suggested by someone else) doesn't have an overload taking a Path, and doing Paths.get(path.toString(), childPath) is NOT the same thing as resolve(). From the Paths.get() docs:
Note that while this method is very convenient, using it will imply an...
Remove multiple whitespaces
... He also wants \n and \t to be replaced with space. Now his pattern does not match these, say for $x = "does\nthis\twork"; The OP wants all whitespace to be replaced with a single space.
– codaddict
Feb 24 '10 at 13:17
...
Shell script to send email [duplicate]
..."Hello world" you@youremailid.com < /home/calvin/application.log
mail doesn't support the sending of attachments, but Mutt does:
echo "Sending an attachment." | mutt -a file.zip -s "attachment" target@email.com
Note that Mutt's much more complete than mail.
You can find better explanation he...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
...of this answer when applied to old school .Net, but the new Core framework does not have DataTables. Is there anything that can do this in .Net Core?
– Eric
Mar 14 '17 at 21:12
1
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Decimal number regular expression, where digit after decimal is optional
I need a regular expression that validates a number, but doesn't require a digit after the decimal.
ie.
15 Answers
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Inserting string at position x of another string
...ething, so no need to pardon. Anyway, I kind of disagree. The functionally does what its intended to do, insert a string at a certain position within another string. Actually the inserted string should be like " an", which would be more correct in this instance.
– jAndy
...
How to change UIPickerView height
... applications seem to have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder.
...
Func delegate with no return type
...ate TResult Func<TResult>()
Action<T> takes one argument and does not return a value:
public delegate void Action<T>(T obj)
Action is the simplest, 'bare' delegate:
public delegate void Action()
There's also Func<TArg1, TResult> and Action<TArg1, TArg2> (and oth...
Java dynamic array sizes?
...ept the overhead of having to reallocate it needs to grow in size. When it does you'll have to allocate a new one and copy the data from the old to the new:
int[] oldItems = new int[10];
for (int i = 0; i < 10; i++) {
oldItems[i] = i + 10;
}
int[] newItems = new int[20];
System.arraycopy(old...
Draw Circle using css alone [duplicate]
...
:before doesn't work in IE7 and below, so this method only gains support for IE8 but makes it very hard to position the circle correcly. For example, font-size of 200px doesn't equate to a circle with a diameter of 200px and you lose...