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How to change the text of a label?
...click on the radio button item I have to change the text of its label. But for some reason it's not working. Code is below:
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Validate that a string is a positive integer
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Two answers for you:
Based on parsing
Regular expression
Note that in both cases, I've interpreted "positive integer" to include 0, even though 0 is not positive. I include notes if you want to disallow 0.
Based on Parsing
If you w...
Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes
I've searched around for many hours on end looking to a solution to my seemingly easy-to-fix problem. It's not that my search turned up nothing, it's that my search turned up so many different solutions -none of which have worked.
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Hibernate Criteria returns children multiple times with FetchType.EAGER
...oned in the Hibernate FAQ :
Hibernate does not return distinct results for a query with outer join fetching enabled for a collection (even if I use the distinct
keyword)? First, you need to understand SQL and how OUTER JOINs work
in SQL. If you do not fully understand and comprehend outer jo...
How to add leading zeros?
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The short version: use formatC or sprintf.
The longer version:
There are several functions available for formatting numbers, including adding leading zeroes. Which one is best depends upon what other formatting you want to do.
The example fro...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
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Most compilers have their own specifier for size_t and ptrdiff_t arguments, Visual C++ for instance use %Iu and %Id respectively, I think that gcc will allow you to use %zu and %zd.
You could create a macro:
#if defined(_MSC_VER) || defined(__MINGW32__) //__MINGW...
How to add a custom Ribbon tab using VBA?
I am looking for a way to add a custom tab in the Excel ribbon which would carry a few buttons. I chanced on some resources addressing it via Google but all look dodgy and outrageously complicated.
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How to add a button to PreferenceScreen
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There is another solution for customizing the appearance of the preferences.
Design a normal XML layout with buttons or whatever you want to add to the standard preferences. Include a ListView in your layout and give it the ID @android:id/list.
Let'...
Convert Pandas column containing NaNs to dtype `int`
I read data from a .csv file to a Pandas dataframe as below. For one of the columns, namely id , I want to specify the column type as int . The problem is the id series has missing/empty values.
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How to check if an array value exists?
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* in_array — Checks if a value exists in an array
*
* DOES NOT WORK FOR MULTI-DIMENSIONAL ARRAY
*++++++++++++++++++++++++++++++++++++++++++++++
*/
$something = array('a' => 'bla', 'b' => 'omg');
if (in_array('omg', $something)) {
echo "|1| The 'omg' value found in the assoc array ...