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How does a “stack overflow” occur and how do you prevent it?
...ng you pop off the stack will be 'B', and the next thing is 'A'.
When you call a function in your code, the next instruction after the function call is stored on the stack, and any storage space that might be overwritten by the function call. The function you call might use up more stack for its o...
Converting XML to JSON using Python?
... some understanding of what you want to do with the results.
That being said, Python's standard library has several modules for parsing XML (including DOM, SAX, and ElementTree). As of Python 2.6, support for converting Python data structures to and from JSON is included in the json module.
So th...
How to detect if a function is called as constructor?
...ooking at the ECMAScript 3rd edition spec, the steps taken when new x() is called are essentially:
Create a new object
Assign its internal [[Prototype]] property to the prototype property of x
Call x as normal, passing it the new object as this
If the call to x returned an object, return it, other...
How to tag an older commit in Git?
...eb02 -m "Message here"
Where 9fceb02 is the beginning part of the commit id.
You can then push the tag using git push origin v1.2.
You can do git log to show all the commit id's in your current branch.
There is also a good chapter on tagging in the Pro Git book.
Warning: This creates tags with...
Doctrine 2 can't use nullable=false in manyToOne relation?
... without a Package defined. User should own the relation. Relation is bidirectional, so a Package has zero or more users in it.
...
Read specific columns from a csv file with csv module?
...=['col1', 'col3', 'col7'])
P.S. I'm just aggregating what other's have said in a simple manner. Actual answers are taken from here and here.
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Ignore fields from Java object dynamically while sending as JSON from Spring MVC
...sending response because i need that property from the request object. Any ideas?
– zulkarnain shah
Sep 8 '17 at 10:39
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Close and Dispose - which to call?
... and Dispose in the case of SqlConnectionObject is:
An application can call Close more
than one time. No exception is
generated.
If you called Dispose method
SqlConnection object state will be
reset. If you try to call any
method on disposed SqlConnection
object, you will receiv...
How to write UPDATE SQL with Table alias in SQL Server 2008?
...er is as follows:
UPDATE Q
SET Q.TITLE = 'TEST'
FROM HOLD_TABLE Q
WHERE Q.ID = 101;
The alias should not be necessary here though.
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Why is “Set as Startup” option stored in the suo file and not the sln file?
...
I wrote a little command line utility for Windows called slnStartupProject to set the Startup Project automatically:
slnStartupProject slnFilename projectName
I personally use it to set the startup project after generating the solution with cmake that always sets a dummy ...