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Creating .pem file for APNS?
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Here is what I did, From:blog.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pezzillo.
With the aps_developer_identity.cer in the keychain:
Launch Keychain Access from your local Mac and from the login keychain, filter by the Certificates category...
Regex Email validation
...It is not right, fail to catch at least two invalid formats: "Abc.@example.com" , "Abc..123@example.com"
– sean717
Aug 22 '12 at 5:22
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View the Task's activity stack
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From the command line, you can use: adb shell dumpsys activity
This asks the activity manager to print a dump of its current state. The first part of that is the complete activity history, organized by task. There is also a lot of ...
Generic type parameter naming convention for Java (with multiple chars)?
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Oracle recommends the following in Java Tutorials > Generics > Generic Types:
Type Parameter Naming Conventions
By convention, type parameter names are single, uppercase letters. This stands in sharp contrast to the variable na...
Anatomy of a “Memory Leak”
...ork — again, I refer you to chapter 7 of the e-book. Also, be mindful of common pitfalls, probably the most common being events. If object A is registered to an event on object B, then object A will stick around until object B disappears because B holds a reference to A. The solution is to unregis...
What does “xmlns” in XML mean?
...space Prefix is "android" and the Namespace URI is "http://schemas.android.com/apk/res/android"
In the document, you see elements like: <android:foo />
Think of the namespace prefix as a variable with a short name alias for the full namespace URI. It is the equivalent of writing <http://...
How to check if a specific key is present in a hash or not?
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How do you print in a Go test using the “testing” package?
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t.Log() will not show up until after the test is complete, so if you're trying to debug a test that is hanging or performing badly it seems you need to use fmt. See PeterSO's answer for using go test -v to show the output of fmt.Println when running tests.
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Format in kotlin string templates
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How can I control the width of a label tag?
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