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How can I print literal curly-brace characters in python string and also use .format on it?
... @Imray: {0} refers to the first argument to .format(). You can print more than one value like {0} {1} {2} as long as you give the same number of arguments to .format(). See docs.python.org/library/string.html#format-examples for extensive examples.
– Greg Hewgill
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Core Data: Quickest way to delete all instances of an entity
...tor executeRequest:delete withContext:myContext error:&deleteError];
More information about batch deletions can be found in the "What's New in Core Data" session from WWDC 2015 (starting at ~14:10).
iOS 8 and earlier:
Fetch 'em all and delete 'em all:
NSFetchRequest *allCars = [[NSFetchRequ...
Is there any way to put malicious code into a regular expression?
...l comes down to a classic time–space trade‐off.
With a DFA, you spend more time building it (and allocating more states), whereas with an NFA you spend more time executing it, since it can be multiple states at the same time, and backtracking can eat your lunch — and your CPU.
Denial‐of‐...
SQL Server: Database stuck in “Restoring” state
...se
FROM DISK = 'MyDatabase.bak'
WITH REPLACE,RECOVERY
You may have more sucess using the restore database wizard in SQL Server Management Studio. This way you can select the specific file locations, the overwrite option, and the WITH Recovery option.
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How to vertically center content with variable height within a div?
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This should have much more upvotes! By the way, it also works with position: absolute, doesn't it?
– caw
Feb 3 '16 at 5:40
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How do I catch a PHP fatal (`E_ERROR`) error?
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“unrecognized selector sent to instance” error in Objective-C
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How to install gem from GitHub source?
...config.ru): require "bundler" Bundler.setup(:default) See bundler docs for more details
– Louis Sayers
Jul 18 '12 at 10:15
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Git branching strategy integated with testing/QA process
...be in a releasable state. The long version is that we test in many phases. More analytically:
Developer creates a feature branch for every new feature.
The feature branch is (automatically) deployed on our TEST environment with every commit for the developer to test.
When the developer is done wi...
Difference between a Message Broker and an ESB
...ebSphere ESB. This comment isn't left in any official capacity.
An ESB is more of an architectural pattern or concept than a product - broadly, a service-based way of engineering loose coupling. Its definition is fought over and not exactly set in stone. In general, an ESB is set of unrelated (in a...