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Postgresql: Scripting psql execution with password
...ncx_um << EOF DELETE FROM usrmgt.user_one_time_codes WHERE time < NOW() - INTERVAL '30 minute' EOF
– Govind Gupta
Aug 14 '18 at 9:37
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Should IBOutlets be strong or weak under ARC?
... footprint was crucial, hence there was view unloading. That changed as we now have more and more RAM, and Apple optimized UIViews in iOS 6, so that on memory warnings, a lot of memory can be freed without unloading the view.
– Tammo Freese
Sep 4 '16 at 16:11
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How to change UIPickerView height
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I know I'm late to the party here - and perhaps there are better methods that exist now to do this, but this worked for me.
– Hanny
Feb 4 '14 at 16:25
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Why is exception handling bad?
...hose statements just randomly doesn't run, you end up in a world of pain. Now take away locks and concurrency, and think about each method like that. Think of each method as a transaction of permutations on object state, if you will. At the start of your method call, the object should be clean st...
Are members of a C++ struct initialized to 0 by default?
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C++11 now allows you to initialize them in the definition of the struct or class, like so: struct Snapshot { double x{0}; //with braces int y = 0 ; //or just old school style 'by assignement' w...
Convert a Git folder to a submodule retrospectively?
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filter-branch is deprecated nowadays. You can use git clone --filter, but your Git server must be configured to allow filtering, otherwise you'll get warning: filtering not recognized by server, ignoring.
– Matthias Braun
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Is right click a Javascript event?
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Awesome +1, now how do I block the context menu? @user12345678
– Shayan
Apr 4 '19 at 13:10
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Why won't my PHP app send a 404 error?
...along whatever PHP gave me
In addition to providing a 404 header, PHP is now responsible for outputting the actual 404 page.
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Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...h it again soon with my own business. If you have some network technical knowledge, it really isn't that bad. Otherwise you will be better off using Paypal or another type of service.
The process starts by getting a merchant account setup and tied to your bank account. You may want to check with...
Boost智能指针——shared_ptr - C/C++ - 清泛网 - 专注C/C++及内核技术
...ptr<implementation> sp1(new implementation());
std::cout<<"The Sample now has "<<sp1.use_count()<<" references\n";
boost::shared_ptr<implementation> sp2 = sp1;
std::cout<<"The Sample now has "<<sp2.use_count()<<" references\n";
sp1.reset();
std::cout<<"After Reset sp...