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SQL Query to concatenate column values from multiple rows in Oracle
...t (with tag E)
extract the text of this
aggregate the xml (concatenate it)
call the resulting column "Result"
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Error in : object of type 'closure' is not subsettable
...unction and the environment that stores the variables when the function is called.
In this specific case, as Joshua mentioned, you are trying to access the url function as a variable. If you define a variable named url, then the error goes away.
As a matter of good practise, you should usually ...
iphone/ipad: How exactly use NSAttributedString?
...AttributedString attributedStringWithString:@"Hello World!"];
// for those calls we don't specify a range so it affects the whole string
[attrStr setFont:[UIFont systemFontOfSize:12]];
[attrStr setTextColor:[UIColor grayColor]];
// now we only change the color of "Hello"
[attrStr setTextColor:[UICol...
Android LocationClient class is deprecated but used in documentation
...MainActivity extends Activity implements
GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener,
LocationListener {
private final String TAG = "MyAwesomeApp";
private TextView mLocationView;
private GoogleApiClient mGoogleApiClient;
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Get JSF managed bean by name in any Servlet related class
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@Tiny: it's in turn called by a JSF artifact within the same thread.
– BalusC
Jul 10 '15 at 4:55
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Split a module across several files
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Finally, the Rust compiler also looks in sub-directories for you automatically. For example, the above code will work unchanged with this directory structure:
src/
lib.rs
vector/
mod.rs
vector_b.rs
main.rs
The commands to compile and run remain the same as well.
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JavaScript checking for null vs. undefined and difference between == and ===
...he value of function arguments that weren't provided when the function was called, and as the value you get when you ask an object for a property it doesn't have. But it can also be explicitly used in all of those situations. (There's a difference between an object not having a property, and having ...
What is the AppDelegate for and how do I know when to use it?
...s an excellent answer. I was looking at some sample code that had subviews call the appDelegate do to instruct a view controller to switch to a different subview, and that felt like a code smell. Good to know my nose still works.
– Alan
Dec 20 '11 at 0:06
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Difference between std::system_clock and std::steady_clock?
...2 denote clock types. t1 and t2 are values returned by C1::now() where the call returning t1 happens before the call returning t2 and both of these calls occur before C1::time_point::max(). [ Note: this means C1 did not wrap around between t1 and t2. —end note ]
Expression: C1::is_steady
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PHP convert XML to JSON
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Error Fatal error: Uncaught Error: Call to a member function getName() on bool .. i think a version php is fail :-( .. please help!
– KingRider
Nov 26 '19 at 11:23
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