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When I catch an exception, how do I get the type, file, and line number?
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edited Feb 20 '13 at 18:51
David Cain
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Better way to check variable for null or empty string?
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10 Answers
10
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UILabel - Wordwrap text
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302
If you set numberOfLines to 0 (and the label to word wrap), the label will automatically wrap a...
How to count duplicate value in an array in javascript
...];
array_elements.sort();
var current = null;
var cnt = 0;
for (var i = 0; i < array_elements.length; i++) {
if (array_elements[i] != current) {
if (cnt > 0) {
document.write(current + ' comes --> ' + cnt + ' times<br>');
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How can I String.Format a TimeSpan object with a custom format in .NET?
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250
Please note: this answer is for .Net 4.0 and above. If you want to format a TimeSpan in .Net 3....
error: ‘NULL’ was not declared in this scope
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answered Jan 20 '09 at 17:14
Johannes Schaub - litbJohannes Schaub - litb
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Large Numbers in Java
...a.math package.
Example:
BigInteger reallyBig = new BigInteger("1234567890123456890");
BigInteger notSoBig = new BigInteger("2743561234");
reallyBig = reallyBig.add(notSoBig);
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Formatting “yesterday's” date in python
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406
Use datetime.timedelta()
>>> from datetime import date, timedelta
>>> yester...
How do I set cell value to Date and apply default Excel date format?
I've been using Apache POI for some time to read existing Excel 2003 files programmatically. Now I have a new requirement to create entire .xls files in-memory (still using Apache POI) and then write them to a file at the end. The only problem standing in my way is the handling of cells with dates.
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