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How can I read a large text file line by line using Java?
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Use StandardCharsets.UTF_8, use Stream<String> for conciseness, and avoid using forEach() and especially forEachOrdered() unless there's a reason.
– Aleksandr Dubinsky
Dec 15 '13 at 9:29
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Xcode 6 how to enable storyboard zoom?
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That does not work for Mac OS app storyboards, only for iOS storyboards.
– Kenny
Apr 4 '17 at 13:23
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Remote debugging with Android emulator
Is it possible to write the code/compile Android application on one machine and debug it remotely on the emulator launched on another? I'm sick and tired of the emulator constantly eating half of my laptop's CPU.
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What is the difference between Int and Integer?
...answered May 16 '14 at 21:28
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How to handle Objective-C protocols that contain properties?
...e.
Edit:
You may want to do this more specifically:
@synthesize title = _title;
This will fall in line with how xcode's automatic synthesis creates properties and ivars if you use auto-synthesis, so that way if your class has properties from a protocol and a class, some of your ivars won't have...
Simulator slow-motion animations are now on?
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This is triggered by triple-tapping Shift, but I occasionally see it triggered when I definitely haven't tapped Shift three times in a row without hitting other keys.
– Zev Eisenberg
Feb 2 '12 at 18:13
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Select random row from a sqlite table
...he rows of the original table sorted in random order :
create table random_foo(foo_id);
Then, periodicalliy, re-fill the table random_foo
delete from random_foo;
insert into random_foo select id from foo;
And to select a random row, you can use my first method (there are no holes here). Of cou...
What does an underscore in front of an import statement mean?
...initialization), use the blank identifier as explicit package name:
import _ "lib/math"
In sqlite3
In the case of go-sqlite3, the underscore import is used for the side-effect of registering the sqlite3 driver as a database driver in the init() function, without importing any other functions:
sql.R...
How do I check if a variable exists?
...ar exists.
To check if an object has an attribute:
if hasattr(obj, 'attr_name'):
# obj.attr_name exists.
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Why is “import *” bad?
...citly imported ones, and possibly point to very different things. Defining __all__ in bar is often wise -- this states what will implicitly be imported - but still it's hard to trace where objects come from, without reading and parsing the bar module and following its imports. A network of import * ...