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How do I get SUM function in MySQL to return '0' if no values are found?
...o see it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with all nulls, and one with a mixture):
SQL Fiddle
MySQL 5.5.32 Schema Setup:
CREATE TABLE foo
(
id INT NOT NULL AUTO_INCREMENT PRIMARY ...
Left align and right align within div in Bootstrap
...
2018 Update...
Bootstrap 4.1+
pull-right is now float-right
text-right is the same as 3.x, and works for inline elements
both float-* and text-* are responsive for different alignment at different widths (ie: float-sm-righ...
Build the full path filename in Python
...
302
This works fine:
os.path.join(dir_name, base_filename + "." + filename_suffix)
Keep in mind tha...
Android Studio Project Structure (v.s. Eclipse Project Structure)
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203
The mystery: Android Studio's Project Structure and Build System
I don't know if this is beca...
Search and replace a line in a file in Python
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200
I guess something like this should do it. It basically writes the content to a new file and re...
How to know the size of the string in bytes?
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132
You can use encoding like ASCII to get a character per byte by using the System.Text.Encoding cl...
How do I put two increment statements in a C++ 'for' loop?
...ve displayed 5,6,7.. for x. What I got was this
i=0 a=5 x=0
i=1 a=6 x=0
i=2 a=7 x=1
i=3 a=8 x=2
i=4 a=9 x=3
However, if I bracketed the expression to force the parser into really seeing a comma operator, I get this
int main(){
int i=0;
int a=5;
int x=0;
for(i=0; i<5; x=(i++,a...
Step-by-step debugging with IPython
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62
You can use IPython's %pdb magic. Just call %pdb in IPython and when an error occurs, you're aut...
Android : Check whether the phone is dual SIM
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Update 23 March'15 :
Official multiple SIM API is available now from Android 5.1 onwards
Other possible option :
You can use Java reflection to get both IMEI numbers.
Using these IMEI numbers you can check whether the ph...