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In log4j, does checking isDebugEnabled before logging improve performance?

... running at log level of INFO or ERROR – AztecWarrior_25 Mar 10 '18 at 0:51 add a comment  |  ...
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How can I convert a string to a number in Perl?

... [rabdelaz@Linux_Desktop:~/workspace/akatest_5]$perl -e 'print "nope\n" unless "1,000" > 10;' nope [rabdelaz@Linux_Desktop:~/workspace/akatest_5]$perl -e 'print "nope\n" if "1,000" > 10;' – Ramy M...
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ReSharper Abbreviations List: Where can I modify it?

...e 6.x way of doing it?) http://www.jetbrains.com/resharper/webhelp50/Coding_Assistance__Naming_Style.html#dynaProc3 share | improve this answer | follow | ...
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OS detecting makefile

...was adding OS/CPU auto-detection happened to be using. ifeq ($(OS),Windows_NT) CCFLAGS += -D WIN32 ifeq ($(PROCESSOR_ARCHITEW6432),AMD64) CCFLAGS += -D AMD64 else ifeq ($(PROCESSOR_ARCHITECTURE),AMD64) CCFLAGS += -D AMD64 endif ifeq ($(PROCESS...
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Does SQLAlchemy have an equivalent of Django's get_or_create?

...ortcut readily available AFAIK. You could generalize it ofcourse: def get_or_create(session, model, defaults=None, **kwargs): instance = session.query(model).filter_by(**kwargs).first() if instance: return instance, False else: params = dict((k, v) for k, v in kwargs.it...
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Rails 4 multiple image or file upload using carrierwave

... from a file selection window using Rails 4 and CarrierWave? I have a post_controller and post_attachments model. How can I do this? ...
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Database sharding vs partitioning

...ty reasons, as for load balancing. https://en.wikipedia.org/wiki/Partition_(database) Sharding is a type of partitioning, such as Horizontal Partitioning (HP) There is also Vertical Partitioning (VP) whereby you split a table into smaller distinct parts. Normalization also involves this splitting...
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How do you specify that a class property is an integer?

...// Helper for generating Opaque types. type Opaque<T, K> = T & { __opaque__: K }; // 2 opaque types created with the helper type Int = Opaque<number, 'Int'>; type ID = Opaque<number, 'ID'>; // using our types to differentiate our properties even at runtime // they are still j...
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How do I set the UI language in vim?

...very early on, and not re-read again later. So you really do need to set LC_ALL (or more specifically LC_MESSAGES) in your environment – or on non-Unixoid systems (eg. Windows), you can pass the --cmd switch (which executes the given command first thing, as opposed to the -c option): gvim --cmd "...
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Configure Microsoft.AspNet.Identity to allow email address as username

... The C# version of this (in App_Code\IdentityModels.cs) is public UserManager() : base(new UserStore<ApplicationUser>(new ApplicationDbContext())) { UserValidator = new UserValidator<ApplicationUser>(this) { AllowOnlyAlphan...