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Evie Jenkins

Questions by Evie Jenkins

Checking if a variable is an integer?

Does Rails 3 or Ruby have a built-in way to check if a variable is an integer? For example, 1.is_an_int #=> tru...

What does “Git push non-fast-forward updates were rejected” mean??

I'm using Git to manage my two computers and my development. I'm trying to commit changes to GitHub and I'm getting ...

Parse Apache2 Error logs with Grok for Logstash?

Im trying to parse my apache2 error log and im having a bit of trouble.. It doesnt seem to be matching the filter. I...

Difference between web-based and executable installers for Python 3 on Windows?

The downloads page for Python for Windows offers a "web-based" installer and an "executable" installer. What's the d...

Replace multiple characters in one replace call?

Very simple little question, but I don't quite understand how to do it. I need to replace every instance of '_' wi...

Get Info about previous and next slider from data attribute?

I have a task to write slider with information about previous and next slider. For example in slider you have left...

no default constructor exists for class?

#include "Includes.h" enum BlowfishAlgorithm { ECB, CBC, CFB64, OFB64, }; ...

Replace all occurrences of a String using StringBuilder??

Am I missing something, or does StringBuilder lack the same "replace all occurrences of a string A with string B" fu...

MySQL: how to do row-level security (like Oracle's Virtual Private Database)??

Say that I have vendors selling various products. So, at a basic level, I will have the following tables: vendor, pr...

How to change Named Range Scope?

When I create a named range through the Name Manager, I'm given the option of specifying Workbook or [worksheet name...

Array initializing in Scala?

I'm new to Scala ,just started learning it today.I would like to know how to initialize an array in Scala. Example ...

Gunicorn, no module named 'myproject?

I'm installing a previously built website on a new server. I'm not the original developer. I've used Gunicorn + ngi...

Wrap text in <td> tag?

I want to wrap some text that is added to a &lt;td&gt; element. I have tried with style="word-wrap: break-word;" wid...