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Read/Write String from/to a File in Android
I want to save a file to the internal storage by getting the text inputted from EditText. Then I want the same file to return the inputted text in String form and save it to another String which is to be used later.
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Android: Create spinner programmatically from array
... (this, android.R.layout.simple_spinner_item,
spinnerArray); //selected item will look like a spinner set from XML
spinnerArrayAdapter.setDropDownViewResource(android.R.layout
.simple_spinner_dropdown_item);
spinner.setAdapter(spinnerA...
Android - Spacing between CheckBox and text
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Android 4.2 Jelly Bean (API 17) puts the text paddingLeft from the buttonDrawable (ints right edge). It also works for RTL mode.
Before 4.2 paddingLeft was ignoring the buttonDrawable - it was taken from the left edge of the CompoundButton view.
You can solve it via XML - set pad...
SQL SERVER: Get total days between two dates
...:09.3312722';
DECLARE @enddate datetime2 = '2009-05-04 12:10:09.3312722';
SELECT DATEDIFF(day, @startdate, @enddate);
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How do I grep for all non-ASCII characters?
...d with a 'g' - in this case use ggrep. This should avoid problems arising from replacing a system utility, since system-specific Mac scripts now depend on BSD grep.
– Joel Purra
Jun 24 '14 at 7:37
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How to stop mongo DB in one command
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it seems it is not working for newer versions, from 2.4.xx to latest.
– alexserver
Jun 7 '14 at 6:20
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How do you get assembler output from C/C++ source in gcc?
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While this is correct, I found the results from Cr McDonough's answer to be more useful.
– Rhys Ulerich
Nov 3 '13 at 2:13
3
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The cast to value type 'Int32' failed because the materialized value is null
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where u.ID == userID
select (int?)ch.Amount).Sum() ?? 0;
This first casts to int? to tell the C# compiler that this expression can indeed return null, even though Sum() returns an int. Then we use the normal ?? operator to handle the null case....
What's the Point of Multiple Redis Databases?
...e instances lets you take advantage of multiple cores. If you use database selection you will have to refactor when upgrading. Monitoring and managing multiple instances is not difficult nor painful.
Indeed, you would get far better metrics on each db by segregation based on instance. Each instanc...
Showing the stack trace from a running Python application
I have this Python application that gets stuck from time to time and I can't find out where.
28 Answers
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