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How can I use Spring Security without sessions?

... </property> <property name="filterProcessesUrl" value="/j_spring_security_check"/> <property name="allowSessionCreation" value="false"/> </bean> <bean id="servletApiFilter" class="org.springframework.security.web.servletapi.SecurityConte...
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How to export all collections in MongoDB?

... For lazy people, use mongodump, it's faster: mongodump -d <database_name> -o <directory_backup> And to "restore/import" it (from directory_backup/dump/): mongorestore -d <database_name> <directory_backup> This way, you don't need to deal with all collections individ...
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Remove All Event Listeners of Specific Type

...d to window object, like i.e. on message event? – van_folmert Mar 12 '19 at 11:09 add a comment  |  ...
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C++ Best way to get integer division and remainder

...timize, though, at least for g++. A simple experiment with g++ 6.3.0 on x86_64 revealed that with no optimization at all, you get two idivl instructions, but with -O1 or greater, you get one. As the manual says, “Without any optimization option … Statements are independent”. ...
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How do I focus on one spec in jasmine.js?

...Jasmine's feature Focused Specs (2.2): http://jasmine.github.io/2.2/focused_specs.html Focusing specs will make it so that they are the only specs that run. Any spec declared with fit is focused. describe("Focused specs", function() { fit("is focused and will run", function() { expect(true)....
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In C, do braces act as a stack frame?

... int big[100000000]; foo(big); } bar(); } gives: _foobar: pushl %ebp movl %esp, %ebp movl $400000008, %eax call __alloca cmpl $0, 8(%ebp) je L2 leal -400000000(%ebp), %eax movl %eax, (%esp) call _foo L2: ca...
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Delete multiple objects in django

... to delete any Post with a future publication date Post.objects.filter(pub_date__gt=datetime.now()).delete() You do, however, need to come up with a way to narrow down your QuerySet. If you just want a view to delete a particular object, look into the delete generic view. EDIT: Sorry for the mi...
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Specifically, what's dangerous about casting the result of malloc?

... to prevent this error is mostly the same reasoning as writing if (0 == my_var) instead of if (my_var == 0) since the latter could lead to a serious bug if one would confuse = and ==, whereas the first one would lead to a compile error. I personally prefer the latter style since it better refl...
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What is a NullReferenceException, and how do I fix it?

...ic class Form1 { private Customer customer; private void Form1_Load(object sender, EventArgs e) { Customer customer = new Customer(); customer.Name = "John"; } private void Button_Click(object sender, EventArgs e) { MessageBox.Show(customer....
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How to delete all Annotations on a MKMapView

...me with copy and paste and removing [locs release] and changing mapView to _mapView. I was following a great tutorial for MKDirections here devfright.com/mkdirections-tutorial and wanted to remove the pin after getting directions. I added the code below the last line of that method to the 'clear rou...