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Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
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FYI: g++ has __attribute__ syntax for selectively 'export' symbols: #define DLLEXPORT __attribute__ ((visibility("default"))) #define DLLLOCAL __attribute__ ((visibility("hidden")))
– Brian Cannard
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How do I filter query objects by date range in Django?
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Use
Sample.objects.filter(date__range=["2011-01-01", "2011-01-31"])
Or if you are just trying to filter month wise:
Sample.objects.filter(date__year='2011',
date__month='01')
Edit
As Bernhard Vallant said, if you want a query...
Calendar Recurring/Repeating Events - Best Storage Method
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1 Sample Event
2 Another Event
And a table called events_meta like this:
ID event_id meta_key meta_value
1 1 repeat_start 1299132000
2 1 repeat_interval_1 432000
With repeat_start being a date with no time as a unix times...
Why would anybody use C over C++? [closed]
... compiler isn't good at optimizing the kind of code you need to write
Your app not only doesn't lend itself to be object oriented, but would be harder to write in that form
In some cases, though, you might want to use C rather than C++:
You want the performance of assembler without the trouble o...
How do I enable MSDTC on SQL Server?
Is this even a valid question? I have a .NET Windows app that is using MSTDC and it is throwing an exception:
6 Answers
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How does a debugger work?
...ming from the windowing system, the OS will generate events based on what happens in the process being debugged – for example an exception occurring. See WaitForDebugEvent.
The debugger is able to read and write the target process' virtual memory, and even adjust its register values through APIs ...
Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine
I created a windows application developed in .NET 3.5 in a 32 bit Windows 2008 server. When deployed the application in a 64 bit server it shows the error "Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine ".
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How to add a WiX custom action that happens only on uninstall (via MSI)?
...modifies. According to the table above I had to use
<Custom Action='CA_ID' Before='other_CA_ID'>
(NOT UPGRADINGPRODUCTCODE) AND (REMOVE="ALL")</Custom>
And it worked!
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Change all files and folders permissions of a directory to 644/755
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One approach could be using find:
for directories
find /desired_location -type d -print0 | xargs -0 chmod 0755
for files
find /desired_location -type f -print0 | xargs -0 chmod 0644
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Test for existence of nested JavaScript object key
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Update
Looks like lodash has added _.get for all your nested property getting needs.
_.get(countries, 'greece.sparta.playwright')
https://lodash.com/docs#get
Previous answer
lodash users may enjoy lodash.contrib which has a couple methods that mitigate ...