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EXC_BAD_ACCESS signal received

...hod, but there are a few others), or a copy method, you own the memory too and must release it when you are done. But if you get something back from just about anything else including factory methods (e.g. [NSString stringWithFormat]) then you'll have an autorelease reference, which means it could ...
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Count(*) vs Count(1) - SQL Server

Just wondering if any of you people use Count(1) over Count(*) and if there is a noticeable difference in performance or if this is just a legacy habit that has been brought forward from days gone past? ...
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Curious null-coalescing operator custom implicit conversion behaviour

...hen there is a lifted conversion involving two nullable types on the left-hand side of the coalescing operator. I have not yet identified where precisely things go wrong, but at some point during the "nullable lowering" phase of compilation -- after initial analysis but before code generation -- we...
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Positions fixed doesn't work when using -webkit-transform

I am using -webkit-transform (and -moz-transform / -o-transform) to rotate a div. Also have position fixed added so the div scrols down with the user. ...
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Try-catch speeding up my code?

... One of the Roslyn engineers who specializes in understanding optimization of stack usage took a look at this and reports to me that there seems to be a problem in the interaction between the way the C# compiler generates local variable stores and the way the JIT compiler does re...
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Infinite Recursion with Jackson JSON and Hibernate JPA issue

...ks to As Zammel AlaaEddine for pointing this out). JsonManagedReference and JsonBackReference Since Jackson 1.6 you can use two annotations to solve the infinite recursion problem without ignoring the getters/setters during serialization: @JsonManagedReference and @JsonBackReference. Explanatio...
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How to debug apk signed for release?

I have an apk which I've signed and uploaded to Android Market, and installed on my phone. I would like to debug this release apk (by means of Eclipse) whilst it is running on my phone. I have done this before (and remember it being with one of the Android development tools; perhaps Dalvik Debug Mon...
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Why is Swift compile time so slow?

... it compiles, so Xcode 6 GM now shows which Swift files are being compiled and the status of compilation in real time as you can see in this screenshot: So this comes very handy to know which of your files is taking so long. In my case it was this piece of code: var dic = super.json().mutableCop...
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How do you implement a “Did you mean”? [duplicate]

... Actually what Google does is very much non-trivial and also at first counter-intuitive. They don't do anything like check against a dictionary, but rather they make use of statistics to identify "similar" queries that returned more results than your query, the exact algorithm...
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Remove padding or margins from Google Charts

... By adding and tuning some configuration options listed in the API documentation, you can create a lot of different styles. For instance, here is a version that removes most of the extra blank space by setting the chartArea.width to 10...