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PSQLException: current transaction is aborted, commands ignored until end of transaction block
...QL 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 ...
Accessing the web page's HTTP Headers in JavaScript
...requests were a standard part of web development way back in 2008 as well -_-
– BlueRaja - Danny Pflughoeft
Feb 3 '12 at 22:02
5
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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...社区 反馈 我要反馈 var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; ...
Rails.env vs RAILS_ENV
...
According to the docs, #Rails.env wraps RAILS_ENV:
# File vendor/rails/railties/lib/initializer.rb, line 55
def env
@_env ||= ActiveSupport::StringInquirer.new(RAILS_ENV)
end
But, look at specifically how it's wrapped, using ActiveSupport::String...
Difference between var_dump,var_export & print_r
What is the difference between var_dump , var_export and print_r ?
2 Answers
2
...
Cross compile Go on OSX?
...al/go/src
then compile the Go compiler:
sudo GOOS=windows GOARCH=386 CGO_ENABLED=0 ./make.bash --no-clean
You need to repeat this step for each OS and Architecture you wish to cross compile by changing the GOOS and GOARCH parameters.
If you are working in user mode as I do, sudo is needed beca...
How to open the Chrome Developer Tools in a new window?
...l the "Unlock into separate window" option.
– katalin_2003
Nov 6 '14 at 21:48
5
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How can I do test setup using the testing package in Go
...
This can be achieved by putting a init() function in the myfile_test.go file. This will be run before the init() function.
// myfile_test.go
package main
func init() {
/* load test data */
}
The myfile_test.init() will be called before the package init() function.
...
How to create own dynamic type or dynamic object in C#?
... new List<string>();
// my 'columns'
fields.Add("this_thing");
fields.Add("that_thing");
fields.Add("the_other");
dynamic exo = new System.Dynamic.ExpandoObject();
foreach (string field in fields)
{
((IDictionary<String, ...
Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss
...has to say:
By default the heap dump is created in
a file called java_pid.hprof in the
working directory of the VM, as in the
example above. You can specify an
alternative file name or directory
with the -XX:HeapDumpPath= option. For
example -XX:HeapDumpPath=/disk2/dumps
will cause...