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Unable to generate an explicit migration in entity framework
...the database OR you can delete the pending migration file ([201203170856167_left]) from your Migrations folder and then re-run "add-migration" to create a brand new migration based off of your edits.
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Code coverage with Mocha
...ul is. Try the following, after you get your mocha tests to pass:
npm install nyc
Now, simply place the command nyc in front of your existing test command, for example:
{
"scripts": {
"test": "nyc mocha"
}
}
sha...
Swap key with value JSON
...nfirm, is it? Performance good? Semantic is perfect: we can see that is really a simple "map and swap" solution.
– Peter Krauss
Jan 3 '19 at 17:41
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How to select rows from a DataFrame based on column values?
...have multiple values you want to include, put them in a
list (or more generally, any iterable) and use isin:
print(df.loc[df['B'].isin(['one','three'])])
yields
A B C D
0 foo one 0 0
1 bar one 1 2
3 bar three 3 6
6 foo one 6 12
7 foo three 7 14
Note,...
select and update database record with a single queryset
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@learning well dude, it all depends on your scenario. The update method is great for mass updates, but it should set off a warning in your head when you use it that you need to review any signals attached to that object that might also need to be m...
MySQL Removing Some Foreign keys
...You can use this to find foreign key constraints: SELECT * FROM information_schema.table_constraints WHERE constraint_schema = '<your db name>' AND constraint_type = 'FOREIGN KEY'
– Gayan Dasanayake
Aug 26 '17 at 2:48
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Is APC compatible with PHP 5.4 or PHP 5.5?
...hp 5.4 release (I wish they would have included APC in PHP core like originally planned).
14 Answers
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What is the easiest way to parse an INI file in Java?
...port java.util.regex.Pattern;
public class IniFile {
private Pattern _section = Pattern.compile( "\\s*\\[([^]]*)\\]\\s*" );
private Pattern _keyValue = Pattern.compile( "\\s*([^=]*)=(.*)" );
private Map< String,
Map< String,
String >> _entries = new HashMap...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...ch and useable as something of this form can be. Dozens of developers from all over the world have contributed fixes, improvements and suggestions over the 4 years that the grid has been growing, and there is still no end in sight. Most of the fixes have been sent in by readers so I'm trusting that ...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...ch and useable as something of this form can be. Dozens of developers from all over the world have contributed fixes, improvements and suggestions over the 4 years that the grid has been growing, and there is still no end in sight. Most of the fixes have been sent in by readers so I'm trusting that ...