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Hidden Features of Xcode
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Switch to Header/Source File
Option ⌥ Command ⌘ Up Arrow ↑
View > Switch to Header/Source File
Switches between the .m and .h files.
In Xcode 4 this is ctrl Command ⌘ Up Arrow ↑
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Software keyboard resizes background image on Android
...view. Do you have a way to keep the scroll view and keep the background un compressed.
– Rana Ranvijay Singh
Oct 3 '14 at 13:02
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Java JDBC - How to connect to Oracle using Service Name instead of SID
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http://download.oracle.com/docs/cd/B28359_01/java.111/b31224/urls.htm#BEIDHCBA
Thin-style Service Name Syntax
Thin-style service names are supported only by the JDBC Thin driver. The syntax is:
@//host_name:port_number/service_name
For example:
jd...
Scalar vs. primitive data type - are they the same thing?
...th and what is relevant in context.
Scalars are typically contrasted with compounds, such as arrays, maps, sets, structs, etc. A scalar is a "single" value - integer, boolean, perhaps a string - while a compound is made up of multiple scalars (and possibly references to other compounds). "Scalar"...
How to use WeakReference in Java and Android development?
...e problems: WeakHashMap is not a cache!
Tom is right that there have been complaints about poor Netbeans performance due to WeakHashMap caching.
I still think it would be a good learning experience to implement a cache with WeakHashMap and then compare it against your own hand-rolled cache imple...
npm throws error without sudo
...nstall something with npm it throws the following error, unless I sudo the command. I have a feeling this is a permissions issue? I am already the admin.
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Easy way to prevent Heroku idling?
...ooking for this, the direct link for the ping is here: synthetics.newrelic.com/accounts/[your_account_id]/monitors/new Just sub in your account ID.
– Eric Yang
Apr 16 '15 at 23:01
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What is the purpose of the reader monad?
The reader monad is so complex and seems to be useless. In an imperative language like Java or C++, there is no equivalent concept for the reader monad, if I am not mistaken.
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AWS Error Message: A conflicting conditional operation is currently in progress against this resourc
... Amazon says that it could take anywhere up to 10hrs forums.aws.amazon.com/thread.jspa?threadID=37532
– TomDotTom
Mar 6 '17 at 15:59
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