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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...
Foreign Key to non-primary key
... data, and one of those rows needs to exist in another table. So, I want a foreign key to maintain referential integrity.
4...
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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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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Run a Docker image as a container
... docker run -i -t 8dbd9e392a96 /bin/bash
Please see Docker run reference for more information.
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Sass combining parent using ampersand (&) with type selectors
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This isn't working for me... output is coming out to .item a.item for some reason. I tried doing a#{&} on it's own too and still same result.
– jaminroe
Nov 11 '15 at 16:54
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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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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 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 ...
Where can I find the IIS logs?
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I think the default place for access logs is
%SystemDrive%\inetpub\logs\LogFiles
Otherwise, check under IIS Manager, select the computer on the left pane, and in the middle pane, go under "Logging" in the IIS area. There you will se the default lo...