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How do I add an existing directory tree to a project in Visual Studio?
...x. After that, the added directory will be shown up. You will then need to select this directory, right click, and choose "Include in Project."
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Delete column from pandas DataFrame
...the original
data can be modified without creating a copy.
Popped
Column selection, addition, deletion
Delete column column-name:
df.pop('column-name')
Examples:
df = DataFrame.from_items([('A', [1, 2, 3]), ('B', [4, 5, 6]), ('C', [7,8, 9])], orient='index', columns=['one', 'two', 'three'])
...
How is Node.js inherently faster when it still relies on Threads internally?
... standard procedural way, the code might look like this:
result = query( "select smurfs from some_mushroom" );
// twiddle fingers
go_do_something_with_result( result );
If the request coming in caused you to create a new thread that ran the above code, you'll have a thread sitting there, doing no...
Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
...
For everybody who uses Rider you have to select your project>Right Click>Properties>Configurations Then select Debug and Release and check "Allow unsafe code" for both.
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How to code a BAT file to always run as admin mode?
...o where you want the shortcut
Right click the background of the directory
Select Paste Shortcut
Then you can set the shortcut to run as administrator:
Right click the shortcut
Choose Properties
In the Shortcut tab, click Advanced
Select the checkbox "Run as administrator"
Click OK, OK
Now whe...
Warning - Build path specifies execution environment J2SE-1.4
... "JRE System Library[J2SE 1.4]"
Click Add Library -> JRE System Library
Select the new "Execution Environment" or Workspace default JRE
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How do I ignore ampersands in a SQL script running from SQL Plus?
..., I've chose the # character, but that choice is just an example.
SQL> select '&var_ampersand #var_hash' from dual;
Enter value for var_ampersand: a value
'AVALUE#VAR_HASH'
-----------------
a value #var_hash
SQL> set define #
SQL> r
1* select '&var_ampersand #var_hash' from du...
gdb fails with “Unable to find Mach task port for process-id” error
...Self Signed Root”, set “Certificate Type” to “Code Signing” and select the “Let me override defaults”. Click “Continue”.
You might want to extend the predefined 365 days period to 3650 days.
Click several times on “Continue” until you get to the “Specify a Location For The Ce...
Is there a best practice for generating html with javascript
...$.template('<div><img src="${url}" />${name}</div>');
$(selector).append( t , {
url: jsonObj.url,
name: jsonObj.name
});
I say go the cool route (and better performing, more maintainable), and use templating.
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How does data binding work in AngularJS?
...f it has some extra feature (for example a specific class on the currently selected option) you start to get 3-5 bindings per option. Put three of these widgets on a page (e.g. one to select a country, the other to select a city in the said country, and the third to select a hotel) and you are somew...