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Best way to remove from NSMutableArray while iterating?
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Extra memory needs to be allocated to do inverse. It's not an in-place algorithm and not a good idea in some cases. When you remove directly you just shift the array (which is very efficient since it won't move one by one, it...
Re-raise exception with a different type and message, preserving existing information
...ng the exception; it's specifically about not handling it, but adding some extra information (an additional class and a new message) so that it can be handled further up the call stack.
– bignose
Apr 27 '09 at 3:24
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Optimistic vs. Pessimistic locking
...essential that the data is accurately read, with no un-shown changes - the extra locking overhead is worth it.
Oh, and Microsoft SQL server defaults to page locking - basically the row you're reading and a few either side. Row locking is more accurate but much slower. It's often worth setting your...
What is the fastest factorial function in JavaScript? [closed]
...n fac(n){
return(n<2)?1:fac(n-1)*n;
}
It's the simplest way (less characters / lines) I've found, only a function with one code line.
Edit:
If you really want to save some chars you can go with an Arrow Function (21 bytes):
f=n=>(n<2)?1:f(n-1)*n
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UINavigationController “back button” custom text?
... set here. If the previous view's title contains more than the limit of 11 chars, then the next view's back button will simply say "Back". There's no way around it except to create a new nav bar item from scratch as shown in the top-voted answer here.
– ray
Dec...
How do I undo “Scope to this” in Visual Studio 2012?
... you back into it.
Essentially, they work as forward and back buttons.
Extra:
You can also right click on projects and select 'New Solution Explorer Window' to have two separate solution explorers which can browse independently (note that changing the settings on one will effect the other).
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Best Practices for securing a REST API / web service [closed]
...the caller already knows that credentials are required, Digest requires an extra roundtrip to exchange the nonce value. With Basic, the callers simply sends the credentials the first time.
Once the identity of the client is established, authorization is really just an implementation problem. Howeve...
Proper Repository Pattern Design in PHP?
...ximum performance, controllers should only receive the data they need—no extra fields.
Implementation should leverage some type of data mapper for ease of development.
Implementation should have the ability to perform complex data lookups.
The Solution
I'm splitting my persistent storage (datab...
How can I Remove .DS_Store files from a Git repository?
...prefer xargs because I don't have to worry about escaping a lot of special characters.
– benzado
Sep 21 '08 at 7:13
8
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Logging in Scala
...ess isTraceEnabled is true so there's no cost in generating a nice message string. This works around the slf4j's interpolation mechanism which requires parsing the error message. With this model, you can interpolate any number of values into the error message.
If you have a separate trait that mi...