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Consistency of hashCode() on a Java string
... you shouldn't rely on a hash code implementation remaining the same, it's now documented behaviour for java.lang.String, so changing it would count as breaking existing contracts.
Wherever possible, you shouldn't rely on hash codes staying the same across versions etc - but in my mind java.lang.St...
How to prevent browser page caching in Rails
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use:
expires_now()
http://api.rubyonrails.org/classes/ActionController/ConditionalGet.html#method-i-expires_now
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improve this a...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...way to count children without loading data, but we do plan to add it.
For now, one solution would be to maintain a counter of the number of children and update it every time you add a new child. You could use a transaction to count items, like in this code tracking upvodes:
var upvotesRef = new Fi...
Where to place AutoMapper.CreateMaps?
... code (and refactor) if necessary.
EDIT:
Just thought I'd mention that I now use AutoMapper profiles, so the above example becomes:
public static class AutoMapperWebConfiguration
{
public static void Configure()
{
Mapper.Initialize(cfg =>
{
cfg.AddProfile(new UserProf...
Determine if Android app is being used for the first time
...SET_APP_RUN_FIRST_TIME, "FIRST");
return App_runFirst;
}
}
Now Open Your Activity & Initialize .
private SharedPreference sharedPreferenceObj; // Declare Global
Now Call this in OnCreate section
sharedPreferenceObj=new SharedPreference(YourActivity.this)...
How to disassemble one single function using objdump?
...n page isn't definitive. For a long time it wasn't really maintained, but now I think it's generated from the main docs. Also "gdb --help" is more complete now too.
– Tom Tromey
Oct 18 '14 at 2:33
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Multi flavor app based on multi flavor library in Android Gradle
... market2Compile project(path: ':lib', configuration: 'market2Release')
}
Now you can select the app flavor and Build Variants panel and the library will be selected accordingly and all build and run will be done based on the selected flavor.
If you have multiple app module based on the library An...
How do I install Python OpenCV through Conda?
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I have summarized my now fully working solution, OpenCV-Python - How to install OpenCV-Python package to Anaconda (Windows). Nevertheless I've copied and pasted the important bits to this post.
At the time of writing I was using Windows 8.1, 6...
How to link to specific line number on github
I know I can link to a specific line number on a file on a github repo (I'm sure I've seen this before)...
7 Answers
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How to remove empty cells in UITableView? [duplicate]
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It's now tableView.tableFooterView = UIView(frame: CGRect.zero)
– Ryan Walton
Oct 27 '15 at 17:35
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