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The shortest possible output from git log containing author and date
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Fixed width columns table: alias glop="git log --pretty=format:'%C(yellow)%h|%Cred%ad|%Cblue%an|%Cgreen%d %Creset%s' --date=short | column -ts'|' | less -r"
– Ciro Santilli 郝海东冠状病六四事件法轮功
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How to get image height and width using java?
... byte: H is first four bits and V is second four bits
o Quantization table number-- one byte
The H and V sampling factors dictate the final size of the component they are associated with. For instance, the color space defaults to YCbCr and the H and V sampling factors for each component, Y, C...
How to create local notifications?
...eate a button in any view controller and in IBAction use below code :
UNMutableNotificationContent *objNotificationContent = [[UNMutableNotificationContent alloc] init];
objNotificationContent.title = [NSString localizedUserNotificationStringForKey:@“Notification!” arguments:nil];
objNotifica...
Retina displays, high-res background images
...e load, will have higher power consumption resizing the image (and Nexus 7 tables are quite known for random reboots), and consume more bandwidth. So, I'd recommend sticking with @2x only being served to 2dppx+ clients.
– cnst
Apr 13 '16 at 20:53
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How to check if an object is an array?
...ome older browsers (e.x. IE7 and IE8). Source: kangax.github.io/es5-compat-table/#
– Wookie88
Jul 1 '13 at 10:16
2
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How to run Django's test database only in memory?
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You can do double tweaking:
use transactional tables: initial fixtures state will be set using database rollback after every TestCase.
put your database data dir on ramdisk: you will gain much as far as database creation is concerned and also running test will be faster....
Are the shift operators () arithmetic or logical in C?
...h may lead to implementation-defined behaviour if the value is not representable in the destination type.
Left Shift
The result of E1 << E2 is E1 left-shifted E2 bit positions; vacated bits are filled with zeros. If E1 has an unsigned type, the value of the result is E1×2E2, reduced modulo o...
Non-CRUD operations in a RESTful service
...INSERT in the database. Actually, REST is not about exposing your database tables as CRUD operations. From logical point of view you are creating an order (purchase), but the server side is free to do as many processing steps as it wants.
You can even abuse HTTP protocol even further. Use Location ...
How do I prevent an Android device from going to sleep programmatically?
...nd CPU will stay awake during this section
wl.release();
There's also a table on this page that describes the different kinds of wakelocks.
Be aware that some caution needs to be taken when using wake locks. Ensure that you always release() the lock when you're done with it (or not in the foregr...
Trimming a huge (3.5 GB) csv file to read into R
...p://colbycol.r-forge.r-project.org/
It passes any arguments along to read.table, so the combination should let you subset pretty tightly.
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