大约有 44,000 项符合查询结果（耗时：0.0866秒） [XML]
INotifyPropertyChanged vs. DependencyProperty in ViewModel
... use DependencyProperty for properties the View is going to bind against and I have seen the ViewModel implementing INotifyPropertyChanged instead.
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MySql server startup error 'The server quit without updating PID file '
...ere PID is the number displayed next to username on output of previous command
check ownership of /usr/local/var/mysql/
ls -laF /usr/local/var/mysql/
if it is owner by root you should change it mysql or your_user
sudo chown -R mysql /usr/local/var/mysql/
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Understanding colors on Android (six characters)
I am trying to understand how colors work in Android. I have this color set as the background of my LinearLayout , and I get a background gray with some transparency:
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How do I make a dotted/dashed line in Android?
.../dotted.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="line">
<stroke
android:color="#C7B299"
android:dashWidth="10px"
android:dashGap="10px"
android:width="1dp"/>
</s...
Grep and Sed Equivalent for XML Command Line Processing
...a will be in files of single line records like csv. It's really simple to handle this data with grep and sed . But I have to deal with XML often, so I'd really like a way to script access to that XML data via the command line. What are the best tools?
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Escape a dollar sign in string interpolation
...mentation on this one. There might be other cases than the exact one here, and the answer could then help more people
– Martin Hallén
Jan 18 '18 at 11:00
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lodash multi-column sortBy descending
...['type','name'], [true, false]);
Since version 3.10.0 you can even use standard semantics for ordering (asc, desc):
var data = _.sortByOrder(array_of_objects, ['type','name'], ['asc', 'desc']);
In version 4 of lodash this method has been renamed orderBy:
var data = _.orderBy(array_of_objects, ...
How to use the IEqualityComparer
...the solution is to forward GetHashCode to Class_reglement.Numf.GetHashCode and implement it appropriately there.
Apart from that, your Equals method is full of unnecessary code. It could be rewritten as follows (same semantics, ¼ of the code, more readable):
public bool Equals(Class_reglement x, ...
HTML table td meaning
In HTML table, what does td stands for? I mean literally, what is it acronym for? Table division? Table data?
8 Answers
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twig: IF with multiple conditions
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If I recall correctly Twig doesn't support || and && operators, but requires or and and to be used respectively. I'd also use parentheses to denote the two statements more clearly although this isn't technically a requirement.
{%if ( fields | length > 0 ) or ...