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Where is debug.keystore in Android Studio
... go to "signing" and select your default or any keystore you want and fill all the details. In case you are not able to fill the details, hit the green '+' button. I've highlighted in the screenshot.
Step 2) VERY IMPORTANT: Goto Build Types> select your build type and select your "Signing Config...
Convert HashBytes to VarChar
...'t work in SQL 2005. If you're using SQL 2008 or above, then use CONVERT() all you want. Sadly I'm not aware of a single command which will work for all SQL versions, so either do some crazy version checking in your script, or just make a note somewhere that you need to fix the function if you upgra...
Find duplicate lines in a file and count how many time each line was duplicated?
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This is what I do however algorithmically this is doesnt seem to be the most efficient approach (O(n log n)*avg_line_len where n is number of lines). I'm working on files that are several gigabytes large, so performance is a key issue. I wonder whether there is ...
What is a web service endpoint?
...Service– a collection of related endpoints.
http://www.ehow.com/info_12212371_definition-service-endpoint.html
The endpoint is a connection point where HTML files or active server pages are exposed. Endpoints provide information needed to address a Web service endpoint. The endpoint provi...
How to specify the default error page in web.xml?
... 2.5, there's no other way than specifying every common HTTP error individually. You need to figure which HTTP errors the enduser could possibly face. On a barebones webapp with for example the usage of HTTP authentication, having a disabled directory listing, using custom servlets and code which ca...
How to run a single RSpec test?
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Usually I do:
rspec ./spec/controllers/groups_controller_spec.rb:42
Where 42 represents the line of the test I want to run.
EDIT1:
You could also use tags. See here.
EDIT 2:
Try:
bundle exec rspec ./spec/controllers/gro...
App Inventor 2 中的“2”是什么意思？ - App Inventor 2 中文网 - 清泛网 ...
App Inventor 2 中的“2”是什么意思？app_inventor_2_interpretation对App Inventor 2 中的“2”进行科普性的释义，相对App Inventor进行适度的区分。2010年12月App Inventor对外公测，此版本也称为App Inventor 1 或 App Inventor Classic，简称AI1。
2013年12月...
How do I find a default constraint using INFORMATION_SCHEMA?
...efault value constraint
SELECT
default_constraints.name
FROM
sys.all_columns
INNER JOIN
sys.tables
ON all_columns.object_id = tables.object_id
INNER JOIN
sys.schemas
ON tables.schema_id = schemas.schema_id
INNER JOIN
sys.default_const...
Android Camera : data intent returns null
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Really helpful answer I wish I could accept it for others to find the solution more efficiently.
– user1160020
May 3 '13 at 13:32
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How to create PDF files in Python [closed]
...ich takes some images from user and then creates a PDF file which contains all of these images.
14 Answers
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