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How do I do an OR filter in a Django query?
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You can use the | operator to combine querysets directly without needing Q objects:
result = Item.objects.filter(item.creator = owner) | Item.objects.filter(item.moderated = False)
(edit - I was initially unsure if this caused an extra query but @spookylukey pointed out that lazy qu...
What does ~~ (“double tilde”) do in Javascript?
I was checking out an online game physics library today and came across the ~~ operator. I know a single ~ is a bitwise NOT, would that make ~~ a NOT of a NOT, which would give back the same value, wouldn't it?
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socket.error: [Errno 48] Address already in use
... This answer would benefit from an example of what the lsof output might look like, and how to find the process ID (the "XXXX" you list) within the output. For anyone seeing this without that information, it's the second field in the output, under a header label of "PID".
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What are the main performance differences between varchar and nvarchar SQL Server data types?
...in your database schema it's really expensive to go back and modify throughout your application.
The cost of migrating one application from varchar to nvarchar will be much more than the little bit of extra disk space you'll use in most applications.
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how can I add the aidl file to Android studio (from the in-app billing example)
...droid\android-sdk". If you custom changed it, then you will have to figure out the location through the sdk manager.
Copy 'IInAppBillingService.aidl' into the package created above. In the end, it should look similar to the image below.
Rebuild project and it should be good to go.
Note: Make ...
What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...nd an old one at that!) the source language is a bit kitchen-sinkish (in about the same way that the Atlantic Ocean is a bit wet) but it is extremely well-specified and has decent amount of support. (You can probably find an ASN.1 library for any language you name if you dig hard enough, and if not...
How do I join two lists in Java?
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It is ugly but at least its fluent and can be used without multi line lambdas. I really wish there was a fluent addAll that returned the concatinated list.
– Usman Ismail
Jan 11 '18 at 15:06
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In git how is fetch different than pull and how is merge different than rebase?
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This by far is the simplest and best explanation without going into the debate behind each practice. Thank you!
– Jonathan S. Fisher
Mar 5 '14 at 2:59
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What causes a TCP/IP reset (RST) flag to be sent?
I'm trying to figure out why my app's TCP/IP connection keeps hiccuping every 10 minutes (exactly, within 1-2 seconds). I ran Wireshark and discovered that after 10 minutes of inactivity the other end is sending a packet with the reset (RST) flag set. A google search tells me "the RESET flag signif...
Do login forms need tokens against CSRF attacks?
...attacker to share a user account with the victim.
The vulnerability plays out like this:
The attacker creates a host account on the trusted domain
The attacker forges a login request in the victim's browser with this host account's credentials
The attacker tricks the victim into using the trusted...