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How to change a nullable column to not nullable in a Rails migration?
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For Rails 4, this appears to be the most accurate and complete answer, including the commented-out default setting.
– Mike Fischer
Aug 23 '15 at 16:31
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Remove URL parameters without refreshing page
...:
https://domain.tld/my-new-url.php
Action
Now let's try a different approach. Say you need to keep the file's name. The file name comes after the last / and before the query string ?.
http://www.someDomain.com/really/long/address/keepThisLastOne.php?name=john
Will be:
http://www.someDom...
drag drop files into standard html file input
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Here is another cute drag and drop application that does NOT involve file uploads. Linking just in case somebody wants to study more. codepen.io/anon/pen/MOPvZK?editors=1010
– William Entriken
Nov 29 '17 at 0:05
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On localhost, how do I pick a free port number?
... named pipes under Windows I thought I'll use network sockets. Everything happens locally. The server is able to launch slaves in a separate process and listens on some port. The slaves do their work and submit the result to the master. How do I figure out which port is available? I assume I cannot ...
Any way to force strict mode in node?
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at the top of your file in node >= 0.10.7, but if you want your whole app to run in strict (including external modules) you can do this
node --use_strict
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improve this answer
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How do you find all subclasses of a given class in Java?
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Interesting. The project appears to have some dependancies which their documentation doesn't seem to mention. Namely (the ones I found so far): javaassist, log4J, XStream
– Avrom
Jan 29 '09 at 16:51
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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa
... value NULL. Even though the column is marked as NOT NULLable in your O/R-Mapping, LINQ will load it successfully and set the column-String to null.
Now you change something and call
SubmitChanges().
LINQ will generate a SQL query
containing "WHERE [title] IS NULL", to make sure the title has not ...
How to set RelativeLayout layout params in code not in xml?
...ctivity.java.
package com.example.atul.allison;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.RelativeLayout;
import android.widget.Button;
import android.graphics.Color;
import android.widget.EditText;
import android.content.res.Resources;
import ...
.net implementation of bcrypt
...ons in a 'bcrypt.dll', so if you have Bcrypt.net as Bcrypt.dll in your web app bin/ directory Windows won't be able to find the correct dll and you will get some cryptic errors.
– thelsdj
Apr 3 '10 at 17:47
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How to evaluate a math expression given in string form?
.... The executed JavaScript can access all Java classes and thus hijack your application without limit.
– Boann
Sep 21 '15 at 11:08
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