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How to attach debugger to iOS app after launch?
... the name in the Debug navigator
Plug in your device and don't forget to select your device as the target
Debug > Attach to Process > By Process Identifier (PID) or Name
Enter the name from step 1 and attach. That should be all you have to do.
...
sed: print only matching group
... -d " " -f 6-7
Will result in output of:
2 3.4
-d sets the delimiter
-f selects the range of 'fields' to output, in this case, it's the 6th through 7th chunks of the original string. You can also specify the range as a list, such as 6,7.
...
How to list of all the tables defined for the database when using active record?
...
Don't know about active record, but here's a simple query:
select table_name
from INFORMATION_SCHEMA.Tables
where TABLE_TYPE = 'BASE TABLE'
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What is the difference between == and Equals() for primitives in C#?
... accepts the same type.
If you write age.Equals(newAge), the compiler will select int.Equals(int) as the best overload and implicitly convert short to int. It will then return true, since this method simply compares the ints directly.
short also has a short.Equals(short) method, but int cannot be im...
Web Service vs WCF Service
... For any new project based on SOA approach, Developer should select WCF over webservices. Because it gives the flexibility and scalibility for future use. There is only one exception: if the client doesn't support communication with wcf services i.e. Flash AS2.
–...
How does “cat
...1. Assign multi-line string to a shell variable
$ sql=$(cat <<EOF
SELECT foo, bar FROM db
WHERE foo='baz'
EOF
)
The $sql variable now holds the new-line characters too. You can verify with echo -e "$sql".
2. Pass multi-line string to a file in Bash
$ cat <<EOF > print.sh
#!/bin...
Toggle input disabled attribute using jQuery
... .prop() method accepts two arguments:
Property name (disabled, checked, selected) anything that is either true or false
Property value, can be:
(empty) - returns the current value.
boolean (true/false) - sets the property value.
function - Is executed for each found element, the returned value i...
Why are C character literals ints instead of chars?
...;
void print(char);
print('a');
You would expect that the call to print selects the second version taking a char. Having a character literal being an int would make that impossible. Note that in C++ literals having more than one character still have type int, although their value is implementatio...
XPath contains(text(),'some string') doesn't work when used with node with more than one Text subnod
...pression was
//*[contains(text(),'ABC')]
To break this down,
* is a selector that matches any element (i.e. tag) -- it returns a node-set.
The [] are a conditional that operates on each individual node in that node set. It matches if any of the individual nodes it operates on match the condit...
Software Design vs. Software Architecture [closed]
..., some component’s internal design decisions, like- choice of algorithm, selection of data structure etc.
Any design decision, which isn’t visible outside of its component boundary is a component’s internal design and is non-architectural. These are the design decisions a system architect woul...