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Android emulator shows nothing except black screen and adb devices shows “device offline”
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So, the problem is that when I try to launch an emulator by issuing the command emulator @A2 , an emulator comes up on the screen. But even after waiting for as long as 2-3 hrs, all it shows is a black screen. Not even the android home screen or the android logo. Just a black screen. And while ...
Portable way to get file size (in bytes) in shell?
... stat --format="%s" FILE , but Solaris I have access to doesn't have stat command. What should I use then?
14 Answers
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Check if a temporary table exists and delete if it exists before creating a temporary table
...pdb..#Results') IS NOT NULL DROP TABLE #Results
GO
CREATE TABLE #Results ( Company CHAR(3), StepId TINYINT, FieldId TINYINT )
GO
select company, stepid, fieldid from #Results
GO
ALTER TABLE #Results ADD foo VARCHAR(50) NULL
GO
select company, stepid, fieldid, foo from #Results
GO
IF OBJECT_ID('tempd...
C# 4.0 optional out/ref arguments
...ef/out parameter. Yes, you'll have two function definitions, but it will accomplish what you're after
– Chad
Dec 20 '19 at 17:12
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How can I write output from a unit test?
...means that the string is a formatting string (documented at docs.microsoft.com/en-us/dotnet/standard/base-types/…). To use a literal { in a string, you need to double it. To print your string use WriteLine("he{{ll}}o");
– Walter
Nov 7 '17 at 21:59
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How to implement an abstract class in ruby?
...ified the code a bit, to use extend instead of include, due to: yehudakatz.com/2009/11/12/better-ruby-idioms
– Magne
Dec 2 '17 at 15:38
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Check if object is a jQuery object
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Can iterators be reset in Python?
...the other hand is perfectly suitable, as long as the list of dicts can fit comfortably in memory. A new "iterator from the start" (very lightweight and low-overhead) can be made at any time with iter(L), and used in part or in whole without affecting new or existing ones; other access patterns are ...
Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]
...at jQuery is installed via Bower and so you might need to look under bower_components/jquery/dist/jquery.js .. the "dist" part being what I had overlooked.
– Jax Cavalera
Mar 6 '16 at 10:12
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Run batch file as a Windows service
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NSSM is totally free and hyper-easy, running command prompt / terminal as administrator:
nssm install "YourCoolServiceNameLabel"
then a dialog will appear so you can choose where is the file you want to run.
to uninstall
nssm remove "YourCoolServiceNameLabel"
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