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Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
... application as a *.p12 file and send it to you with a password. You can't download the existing private key from the Apple website. The only way to get it is to ask your client. I did it and it and I was able to finally make the package.
How to find out if you have a private key for a certificate...
Coroutine vs Continuation vs Generator
...led again, they will start up from where they last suspended execution and do their thing again.
A generator is essentially a cut down (asymmetric) coroutine. The difference between a coroutine and generator is that a coroutine can accept arguments after it's been initially called, whereas a genera...
No @XmlRootElement generated by JAXB
...on of code is generated, but I cannot use it. Trying to serialize a simple document I get this:
15 Answers
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Views vs Components in Ember.js
...ic HTML tags and then implement their behavior using JavaScript? You can't do this actually with a Ember.View.
Ember.Component
That's exactly what components let you do. In fact, it's such a good idea that the W3C is currently working on the Custom Elements spec.
Ember's implementation of components...
Choosing the default value of an Enum type without having to change values
In C#, is it possible to decorate an Enum type with an attribute or do something else to specify what the default value should be, without having the change the values? The numbers required might be set in stone for whatever reason, and it'd be handy to still have control over the default.
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Debug vs. Release performance
...as is. In release mode, some optimizations are included:
unused variables do not get compiled at all
some loop variables are taken out of the loop by the compiler if they are proven to be invariants
code written under #debug directive is not included, etc.
The rest is up to the JIT.
Full list of o...
Drop multiple tables in one shot in mysql
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Maybe it's worth pointing out that the tables don't need to have any relationship at all. They can be completely independent and this syntax will still work.
– crmpicco
Feb 19 '14 at 10:11
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Is there a simple, elegant way to define singletons? [duplicate]
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I don't really see the need, as a module with functions (and not a class) would serve well as a singleton. All its variables would be bound to the module, which could not be instantiated repeatedly anyway.
If you do wish to u...
A semantics for Bash scripts?
...y, I can patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programming language. For example: What is the evaluation order? what are the scoping rules? What is the typing discipline, e.g...
What is the difference between ELF files and bin files?
...y it has explicit instructions to be loaded at a specific memory address": does this mean the bin file generation process adds additional code for loading data to specific address?
– Penghe Geng
May 28 '14 at 14:44
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