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Android emulator shows nothing except black screen and adb devices shows “device offline”
...018:
The latest Android Studio version does not have this option anymore.
If the problem persists try to switch between the values of the "Emulated Performance" dropdown in the Verify Configuration dialogue (if available) or refer to the Configure Emulator graphics rendering and hardware accelerat...
Manifest merger failed : uses-sdk:minSdkVersion 14
...(21.0.0-rc1) latest L release which obviously requires the L SDK.
Edit:
If you need to use the new views (CardView, RecyclerView, and Palette), the following should work:
compile "com.android.support:cardview-v7:21.0.0"
compile "com.android.support:recyclerview-v7:21.0.0"
compile "com.android.su...
Assign variables to child template in {% include %} tag Django
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For completeness note that if you want to render the template only with the given variables (and doesn't inherit the parent context) you can add the "only" option: {% include "path/to/template.html" with form=form only }}
– gonz
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What is the difference between a.getClass() and A.class in Java?
...that there would be performance or other subtle benefits to using both in different circumstances (just like there are with Class.forName() and ClassLoader.loadClass() .
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What's the main difference between int.Parse() and Convert.ToInt32
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If you've got a string, and you expect it to always be an integer (say, if some web service is handing you an integer in string format), you'd use Int32.Parse().
If you're collecting input from a user, you'd generally use In...
How to pause for specific amount of time? (Excel/VBA)
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Use the Wait method:
Application.Wait Now + #0:00:01#
or (for Excel 2010 and later):
Application.Wait Now + #12:00:01 AM#
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Using ConfigurationManager to load config from an arbitrary location
...the best solution for the of non-trivial-path configuration file load, specifically the best way to attach configuration file to dll.
AppDomain.CurrentDomain.SetData("APP_CONFIG_FILE", <Full_Path_To_The_Configuration_File>);
Example:
AppDomain.CurrentDomain.SetData("APP_CONFIG_FILE", @"C:\...
How to get record created today by rails activerecord?
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Post.where(created_at: Time.zone.now.beginning_of_day..Time.zone.now.end_of_day)
PS: This answer has been modified as answer by Harish Shetty was better than mine. As my answer is accepted one. I have updated this answer for community support
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How to print number with commas as thousands separators?
...ython ≥2.7
f'{value:n}' # For Python ≥3.6
Reference
Per Format Specification Mini-Language,
The ',' option signals the use of a comma for a thousands separator. For a locale aware separator, use the 'n' integer presentation type instead.
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Set NOW() as Default Value for datetime datatype?
...ialization.html
http://optimize-this.blogspot.com/2012/04/datetime-default-now-finally-available.html
Prior to 5.6.5, you need to use the TIMESTAMP data type, which automatically updates whenever the record is modified. Unfortunately, however, only one auto-updated TIMESTAMP field can exist per tab...