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Why are `private val` and `private final val` different?
...enefit sure, but it causes binary compatibility of the definition to break if the "constant" ever changed. When defining a final static variable whose value might need to change, Java programmers have to resort to hacks like initializing the value with a method or constructor.
A val in Scala is alr...
Timer & TimerTask versus Thread + sleep in Java
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if the timer is used for Everyday, on 2 specific time 9pm and 9am,... how to give the values? on the code above ... @Zed ?
– gumuruh
Jul 15 '16 at 2:52
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How can I disable editing cells in a WPF Datagrid?
...eadOnly makes it look more like it is disabled. Disabled and ReadOnly are different because ReadOnly normally lets you select the text for copying. When you set the DataGrid to be ReadOnly you can no longer select text in the cells.
– Nick
Oct 5 '16 at 0:04
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Uncaught SyntaxError: Unexpected token :
...as it turns out, the file path is incorrect and it can't find the file specified in script tag.
– newman
Jan 25 '17 at 1:57
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show 3 more co...
Exclude a sub-directory using find
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Explanation:
find /home/feeds/data: start finding recursively from specified path
-type f: find files only
-not -path "*def/incoming*": don't include anything with def/incoming as part of its path
-not -path "*456/incoming*": don't include anything with 456/incoming as part of its path
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How to control the line spacing in UILabel
...adding something new to this answer, so I don't feel as bad... Here is a Swift answer:
import Cocoa
let paragraphStyle = NSMutableParagraphStyle()
paragraphStyle.lineSpacing = 40
let attrString = NSMutableAttributedString(string: "Swift Answer")
attrString.addAttribute(.paragraphStyle, value:para...
Correct way to use get_or_create?
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FYI created is a boolean. True if created, False if it is fetched
– Josh
Oct 4 '18 at 8:45
3
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How to get just one file from another branch
...ource experiment -- app.js
By default, only the working tree is restored.
If you want to update the index as well (meaning restore the file content, and add it to the index in one command):
git restore --source experiment --staged --worktree -- app.js
# shorter:
git restore -s experiment -SW -- app...
How do I implement __getattribute__ without an infinite recursion error?
...t__ attribute inside __getattribute__ invokes your __getattribute__ again. If you use object's __getattribute__ instead, it works:
class D(object):
def __init__(self):
self.test=20
self.test2=21
def __getattribute__(self,name):
if name=='test':
return 0.
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How to use pip with Python 3.x alongside Python 2.x
...also using [ pip2 | pip2.7 | pip3 | pip3.4 ]. Is this a change in pip or different between different systems?
– Jon Surrell
Feb 18 '15 at 11:12
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