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Regex for numbers only
...
If you need to tolerate decimal point and thousand marker
var regex = new Regex(@"^-?[0-9][0-9,\.]+$");
You will need a "-", if the number can go negative.
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Remove all whitespaces from NSString
...@@##$$%^^&**()++"
];
for (int i=0; i < [testStringsArray count]; i++)
{
testResult = [testStringsArray[i] removeAllWhitespace];
STAssertTrue([testResult isEqualToString:expectedResultsArray[i]], @"Expected: \"%@\" to become: \"%...
How to change color of Android ListView separator line?
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Or you can code it:
int[] colors = {0, 0xFFFF0000, 0}; // red for the example
myList.setDivider(new GradientDrawable(Orientation.RIGHT_LEFT, colors));
myList.setDividerHeight(1);
Hope it helps
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...ments to not use AsyncTasks. Now that we
have a few fragments completely converted, it’s pretty painless. There
were some growing pains and issues that we had to overcome, but
overall it went smoothly. In the beginning, we ran into a few
technical issues/bugs, but Square has a fantastic Go...
How to properly match varargs in Mockito
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Mockito 1.8.1 introduced anyVararg() matcher:
when(a.b(anyInt(), anyInt(), Matchers.<String>anyVararg())).thenReturn(b);
Also see history for this: https://code.google.com/archive/p/mockito/issues/62
Edit new syntax after depreca...
Writing string to a file on a new line every time
...ite("text to write\n")
or, depending on your Python version (2 or 3):
print >>f, "text to write" # Python 2.x
print("text to write", file=f) # Python 3.x
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How to get nth jQuery element
...("td:eq(2)").css("color", "red"); // gets the third td element
Or the eq(int) function:
$("td").eq(2).css("color", "red");
Also, remember that the indexes are zero-based.
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How to set dialog to show in full screen? [closed]
...o your onCreateDialog() method:
@Override
protected Dialog onCreateDialog(int id) {
//all other dialog stuff (which dialog to display)
//this line is what you need:
dialog.getWindow().setFlags(LayoutParams.FLAG_FULLSCREEN, LayoutParams.FLAG_FULLSCREEN);
return dialog;
}
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How to remove leading zeros from alphanumeric text?
..."
"000000.z", // "[.z]"
};
for (String s : in) {
System.out.println("[" + s.replaceFirst("^0+(?!$)", "") + "]");
}
See also
regular-expressions.info
repetitions, lookarounds, and anchors
String.replaceFirst(String regex)
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How to view corresponding SQL query of the Django ORM's queryset?
Is there a way I can print the query the Django ORM is generating?
8 Answers
8
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