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PSQLException: current transaction is aborted, commands ignored until end of transaction block
...L by default stops you from doing this.
I'm using: PostgreSQL 9.1.6 on x86_64-redhat-linux-gnu, compiled by gcc (GCC) 4.7.2 20120921 (Red Hat 4.7.2-2), 64-bit".
My PostgreSQL driver is: postgresql-9.2-1000.jdbc4.jar
Using Java version: Java 1.7
Here is the table create statement to illustrate the E...
PHP array_filter with arguments
...me, and is just as evil. Using it should be discouraged. The wacky class-based workaround given in the accepted answer is a better solution than using create_function() in this case.
– Charles
Mar 30 '11 at 17:43
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Storing sex (gender) in database
I want to store a user's gender in a database with as little (size/performance) cost as possible.
8 Answers
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How to install grunt and how to build script with it
...OTE:
You can use grunt-init for creating Gruntfile.js if you want wizard-based creation instead of raw coding for step 5.
To do so, please follow these steps:
npm install -g grunt-init
git clone https://github.com/gruntjs/grunt-init-gruntfile.git ~/.grunt-init/gruntfile
grunt-init gruntfile
F...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
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ElasticSearch uses a large 230MB of RAM on 64bit Ubuntu after a fresh install with no data. I really wish Elasticsearch could be run on smaller VPS like PostgreSQL or Redis.
– Xeoncross
Jan 2 '15 at 23:35
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WebService Client Generation Error with JDK8
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Well, I found the solution. (based on http://docs.oracle.com/javase/7/docs/api/javax/xml/XMLConstants.html#ACCESS_EXTERNAL_SCHEMA)
Create a file named jaxp.properties (if it doesn't exist) under /path/to/jdk1.8.0/jre/lib and then write this line in it:
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Loadbalancing web sockets
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Put a L3 load-balancer that distributes IP packets based on source-IP-port hash to your WebSocket server farm. Since the L3 balancer maintains no state (using hashed source-IP-port) it will scale to wire speed on low-end hardware (say 10GbE). Since the distribution is determi...
What size should TabBar images be?
...lines:
@1x : about 25 x 25 (max: 48 x 32)
@2x : about 50 x 50 (max: 96 x 64)
@3x : about 75 x 75 (max: 144 x 96)
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ReactJS state vs prop
...it change over time? If not, it probably isn't state.
Can you compute it based on any other state or props in your
component? If so, it's not state.
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Python int to binary string?
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For a more general philosophy, no language or library will give its user base everything that they desire. If you're working in an environment that doesn't provide exactly what you need, you should be collecting snippets of code as you develop to ensure you never have to write the same thing twice...