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How do I get into a non-password protected Java keystore or change the password?
...ere it's "changeme" up to a certain point. Apparently as of Mountain Lion (based on comments and another answer here), the password for Mac is now also "changeit", probably because Oracle is now handling distribution for the Mac JVM as well.
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What is the optimal length for an email address in a database?
...
from Ask Metafilter:
My data comes from a database of 323
addresses. The distribution has some
upper-end outliers
(positively-skewed). It is normally
distributed without the outliers (I
tested it.)
Min: 12 1st quartile: 19 Mean (w/
outliers): 23.04 Mean ...
What causes java.lang.IncompatibleClassChangeError?
...rror and AbstractMethodError.
The better paper about BC is "Evolving Java-based APIs 2: Achieving API Binary Compatibility" written by Jim des Rivières.
There are also some automatic tools to detect such changes:
japi-compliance-checker
clirr
japitools
sigtest
japi-checker
Usage of japi-compl...
Is Redis just a cache?
... application without thinking about how you are going to store it in a database.
Lets say we want to build StackOverflow.com. To keep it simple, we need Questions, Answers, Tags and Users.
Modeling Questions, Users and Answers
Each object can be modeled as a Map. For example, a Question is a map...
How do I manipulate a variable whose name conflicts with PDB commands?
...the direct answer to your question, but it may help you: PuDB is a console-based visual interface for PDB which separates commands from variable manipulation by design.
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How to determine the first and last iteration in a foreach loop?
...e" class="parent_item" id="minus" />
<img src="../images/dtree/base.gif" align="absmiddle" id="base">
<?php echo $c['xcollectionname']; ?>
<?php
//get categories
$cat = get_where('xxcategory' , array('xcollectionid'=>$c['xcollectionid']));
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Creating Multifield Indexes in Mongoose / MongoDB
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@KetanGhumatkar It's based on the order the fields are listed in the object in the call to index.
– JohnnyHK
Oct 26 '16 at 13:01
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Best way to do multiple constructors in PHP
... What i meant is that you're doing different things in the same scope based on outside influence, It's not a bad solution (since it will work), just not the one I would choose.
– Kris
Nov 9 '09 at 16:27
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Copying a HashMap in Java
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I don't have access to the HashMap in the base class. Again, I have to work with classes derived from the base. I cannot access the HashMap in it.
– user691305
Apr 10 '12 at 13:24
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How do I update an NPM module that I published?
...ted in the "You cannot publish over..." error.
The steps to resolve were (based on ops version number):
npm version 0.0.2
npm publish
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