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What is the difference between LR, SLR, and LALR parsers?
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SLR, LALR and LR parsers can all be implemented using exactly the same table-driven machinery.
Fundamentally, the parsing algorithm collects the next input token T, and consults the current state S (and associated lookahead, GOTO, and reduction tables...
How do I improve ASP.NET MVC application performance?
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community wiki
32 revs, 9 users 55%SDReyes
6
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How to read data when some numbers contain commas as thousand separator?
...u can have read.table or read.csv do this conversion for you semi-automatically. First create a new class definition, then create a conversion function and set it as an "as" method using the setAs function like so:
setClass("num.with.commas")
setAs("character", "num.with.commas",
function(...
How to calculate the time interval between two time strings
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edited Feb 19 '15 at 23:32
answered Jun 22 '10 at 20:42
D...
How do I show my global Git configuration?
I'd like to show all configured Git sections.
12 Answers
12
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How do I find out if the GPS of an Android device is enabled
...nnecessary?
– span
Aug 16 '12 at 11:32
30
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PostgreSQL: Show tables in PostgreSQL
...terface,
First, choose your database
\c database_name
Then, this shows all tables in the current schema:
\dt
Programmatically (or from the psql interface too, of course):
SELECT * FROM pg_catalog.pg_tables;
The system tables live in the pg_catalog database.
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“The certificate chain was issued by an authority that is not trusted” when connecting DB in VM Role
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Dale K
11.1k88 gold badges3232 silver badges5959 bronze badges
answered Jul 15 '13 at 16:11
Thiago SilvaThiago Silva
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Codesign error: Certificate identity appearing twice
...same problem.
It has been fixed.
It came after I submitted an app and installed a few certificates to sign the app.
Quick Fix:
Open up KEYCHAIN ACCESS > click on MY CERTIFICATES> in there you will probably see
iPhone Developer: . You will probably see it TWICE!
Select the one with the earl...
Running shell command and capturing the output
...True at the end of this answer.
The check_output function works on almost all versions of Python still in wide use (2.7+).2 But for more recent versions, it is no longer the recommended approach.
Modern versions of Python (3.5 or higher): run
If you're using Python 3.5 or higher, and do not need ...