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RegEx to exclude a specific string constant [duplicate]
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You have to use a negative lookahead assertion.
(?!^ABC$)
You could for example use the following.
(?!^ABC$)(^.*$)
If this does not work in your editor, try this. It is tested to work in ruby and javascript:
^((?!ABC).)*$
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NSUserDefaults - How to tell if a key exists
I'm working on a small iPhone app, and I am using NSUserDefaults as my data persistence. It only has to keep track of a few things, such as some names and some numbers so I figure I might as well keep it simple.
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Managing relationships in Laravel, adhering to the repository pattern
...l's book on good design patterns in Laravel I found myself creating repositories for every table on the application.
4 Answ...
How can you diff two pipelines in Bash?
How can you diff two pipelines without using temporary files in Bash? Say you have two command pipelines:
3 Answers
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Multiple inheritance for an anonymous class
How can an anonymous class implement two (or more) interfaces? Alternatively, how can it both extend a class and implement an interface?
For example, I want to create an object of anonymous class that extends two interfaces:
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
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[Terminal #2] $ lockfile -r 0 /tmp/the.lock
[Terminal #2] lockfile: Sorry, giving up on "/tmp/the.lock"
[Terminal #1] $ rm -f /tmp/the.lock
[Terminal #1] $
[Terminal #2] $ lockfile -r 0 /tmp/the.lock
[Terminal #2] $
After /tmp/the.lock has been acquired your script will be the only one w...
what is the difference between a portlet and a servlet?
I am asked to work on portlets and portals.
5 Answers
5
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How to check if a file exists in Go?
...library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it?
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What is a message pump?
... a year ago) there is a discussion of problems that can come with running Word in a non-interactive session. The (quite strong) advice given there is not to do so. In one post it is stated "The Office APIs all assume you are running Office in an interactive session on a desktop, with a monitor, ke...
Why not use exceptions as regular flow of control?
...u ever tried to debug a program raising five exceptions per second in the normal course of operation ?
I have.
The program was quite complex (it was a distributed calculation server), and a slight modification at one side of the program could easily break something in a totally different place.
I...