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ARC and bridged cast
...g the (id) cast I have above, which is still necessary to avoid a compiler error.
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Can a foreign key be NULL and/or duplicate?
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A comment. Nulls leave lots of room for errors in the query by folks who don't know how SQL (mis)handles 3VL . If a salesperson is truly not necessary for a certain r-table, just you don't include that record. A separate table can be "ProposalAssignedTo" or some su...
How would one write object-oriented code in C? [closed]
...would be slightly different to C++ (a core dump at run-time rather than an error at compile time).
Here's a piece of sample code that demonstrates it. First the top-level class structure:
#include <stdio.h>
// The top-level class.
typedef struct sCommClass {
int (*open)(struct sCommCla...
how can you easily check if access is denied for a file in .NET?
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An initial check can help to handle common specific errors gracefully - looking ahead is often easier than matching particular exception attributes to specific causes. The try/catch still remains obligatory.
– peterchen
Mar 18 '10 at 12:4...
Vim: How to insert in visual block mode?
...e the current position. You can also use the shift key with the up or down errors to do the selection.
– tyler.frankenstein
Nov 9 '17 at 15:42
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How do I Geocode 20 addresses without receiving an OVER_QUERY_LIMIT response?
... out that even at 700 milliseconds I was sometimes getting the QUERY_LIMIT error, while with 750 I haven't had any issue at all.
In any case, feel free to edit the 750 above if you feel you are safe by handling a lower delay.
Hope this helps someone in the near future ;)
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How to make the tab character 4 spaces instead of 8 spaces in nano?
...nanorc to do this seems to be
set tabsize 4
Setting tabspace gave me the error:
'Unknown flag "tabspace"'
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Timer & TimerTask versus Thread + sleep in Java
...tion may happen which can slow down your whole application. These kinds of errors are hard to diagnose and it's a good idea to prevent their existance.
The other aproach triggers the execution of the code that matters to you, i.e. NewUploadServer.getInstance().checkAndUploadFiles(); by calling the ...
What's the difference between a Python “property” and “attribute”?
...a value < 0
"""
if value < 0:
raise ValueError("Must be >= 0")
self._x = value
>>> a = A()
>>> a._x = -1
>>> a.x = -1
Traceback (most recent call last):
File "ex.py", line 15, in <module>
a.x = -1
File "ex.py", li...
Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
...mension but not other dimensions then why is this code running without any error or warning CODE link: ide.geeksforgeeks.org/WMoKbsYhB8 Please explain. Am I missing something?
– Vinay Yadav
Aug 27 at 15:22
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