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How to pipe input to a Bash while loop and preserve variables after loop ends
...ion this in the question. AFAIK, you can do a return from within these inside a function.
Bash also provides the shopt builtin and one of its many options is:
lastpipe
If set, and job control is not active, the shell runs the last command of a pipeline not executed in the background in the curren...
HTTP POST with URL query parameters — good idea or not? [closed]
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If your action is not idempotent, then you MUST use POST. If you don't, you're just asking for trouble down the line. GET, PUT and DELETE methods are required to be idempotent. Imagine what would happen in your application if the client was pre...
When saving, how can you check if a field has changed?
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Essentially, you want to override the __init__ method of models.Model so that you keep a copy of the original value. This makes it so that you don't have to do another DB lookup (which is always a good thing).
class Person(models.Model):
name = mode...
How to differentiate between time to live and time to idle in ehcache
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timeToIdleSeconds enables cached object to be kept in as long as it is requested in periods shorter than timeToIdleSeconds. timeToLiveSeconds will make the cached object be invalidated after that many seconds regardless of how many...
Doctrine2: Best way to handle many-to-many with extra columns in reference table
...ion in the Doctrine user mailing list and got a really simple answer;
consider the many to many relation as an entity itself, and then you realize you have 3 objects, linked between them with a one-to-many and many-to-one relation.
http://groups.google.com/group/doctrine-user/browse_thread/thread/...
How to keep/exclude a particular package path when using proguard?
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Double asterisks (**) doesn't compile anymore (Android Studio 4.0)
– Daniel
Jun 24 at 22:49
2
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Ruby, Difference between exec, system and %x() or Backticks
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system
The system method calls a system program. You have to provide the command as a string argument to this method. For example:
>> system("date")
Wed Sep 4 22:03:44 CEST 2013
=> true
The invoked program will use the current STDIN, STDOUT and STDERR objects of your Ruby prog...
PHP Error handling: die() Vs trigger_error() Vs throw Exception
...error reporting (by using different levels of error messages) and you can hide those errors from end-users (using set_error_handler()) but still have them be displayed to you during testing.
Also trigger_error() can produce non-fatal messages important during development that can be suppressed in p...
What is the full path to the Packages folder for Sublime text 2 on Mac OS Lion
...this question anywhere so I can only assume I'm doing something really stupid but...
5 Answers
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C# Iterate through Class properties
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@Cordell, how did you do that? I tried property.GetValue() but it asks for an object as parameter.
– user7792598
Aug 16 '18 at 19:52
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