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List of lists changes reflected across sublists unexpectedly
... that you create a new list at each position. One way to do it is
[[1]*4 for _ in range(3)]
which will reevaluate [1]*4 each time instead of evaluating it once and making 3 references to 1 list.
You might wonder why * can't make independent objects the way the list comprehension does. That's b...
Use PHP composer to clone git repo
I'm trying to use composer to automatically clone a git repository from github that isn't in packagist but it's not working and I can't figure out what am I doing wrong.
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Is there a version control system for database structure changes?
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This is the choice for Ruby projects. The nearest equivalent to this design in java is mybatis schema migrations. For .NET the equivalent is code.google.com/p/migratordotnet. They're all excellent tools for this job IMO.
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Django. Override save for model
Before saving model I'm re-size a picture. But how can I check if new picture added or just description updated, so I can skip rescaling every time the model is saved?
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How to get body of a POST in php?
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To access the entity body of a POST or PUT request (or any other HTTP method):
$entityBody = file_get_contents('php://input');
Also, the STDIN constant is an already-open stream to php://input, so you can alternatively do:
$entityBody = stream_get_contents(...
Java inner class and static nested class
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From the Java Tutorial:
Nested classes are divided into two categories: static and non-static. Nested classes that are declared static are simply called static nested classes. Non-static nested classes are called inner classes.
Static ...
Installing specific laravel version with composer create-project
...ject command creates a new project from a given
package into a new directory. If executed without params and in a
directory with a composer.json file it installs the
packages for the current project.
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What is a “symbol” in Julia?
...ly the readtable() function with the names option, but that requires a vector of symbols.
1 Answer
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Putting license in each code file? [closed]
...de file, but I see it on most open source projects. Should I do that same, or just include a single license outside the code?
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How to deserialize a JObject to .NET object
I happily use the Newtonsoft JSON library .
For example, I would create a JObject from a .NET object, in this case an instance of Exception (might or might not be a subclass)
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