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How to change Rails 3 server default port in develoment?
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Unfortunately, if super is used instead of alias, it calls the wrong method. It calls the ::Rack::Server version of default_options.
– codingFoo
Sep 24 '13 at 20:34
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Should everything really be a bundle in Symfony 2.x?
...r.class: Vendor\Listener\TemplateListener
Using templates without bundles
Now, you can use templates out of bundles. Keep them under the app/Resources/views folder. For example, templates for those two actions from the example controller above are located in:
app/Resources/views/User/add.html.twig...
How to base64 encode image in linux bash / shell
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-w 0 this parameter is very important in many cases. Ex. If we are running directly into the command line. Thanks!
– Jayesh Dhandha
Jun 5 '18 at 5:21
4
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add column to mysql table if it does not exist
... MySQL prior to 5.0. Nor are stored procedures supported prior to 5.0, so if you need to support MySQL 4.1, this solution isn't good.
One solution used by frameworks that use database migrations is to record in your database a revision number for the schema. Just a table with a single column and ...
Split string into array of character strings
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This answer does now work if you're using Java 8. See stackoverflow.com/a/22718904/1587046
– Alexis C.
Apr 25 '14 at 14:01
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Avoid duplicates in INSERT INTO SELECT query in SQL Server
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Just a clarification on the NOT EXISTS version, you'll need a WITH(HOLDLOCK) hint or no locks will be taken (because there are no rows to lock!) so another thread could insert the row under you.
– IDisposable
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mongo group query how to keep fields
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If you want to keep the information about the first matching entries for each group, you can try aggregating like:
db.test.aggregate({
$group: {
_id : '$name',
name : { $first: '$name' },
age : { $first: '$age' },...
(this == null) in C#!
...t should NOT be possible. You are not allowed to write : base(CheckNull()) if CheckNull is not static, and alike you should not be able to inline an instance-bound lambda.
– quetzalcoatl
Aug 14 '12 at 0:29
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Make $JAVA_HOME easily changable in Ubuntu [closed]
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Personally I don't know why they bothered creating the environment file and then had it work in a completely different way than any other mechanism for setting environment variables ever worked before. Simple key value pairs like the environment...
Why do people use __(double underscore) so much in C++
... Rules and Recommendations :
The use of two underscores (`__') in identifiers is reserved for the compiler's internal use according to the ANSI-C standard.
Underscores (`_') are often used in names of library functions (such as "_main" and "_exit"). In order to avoid collisions, do not begi...