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Check if a value exists in pandas dataframe index
...ues or the index by appending the ".values" method, e.g.
g in df.<your selected field>.values
g in df.index.values
I find that adding the ".values" to get a simple list or ndarray out makes exist or "in" checks run more smoothly with the other python tools. Just thought I'd toss that out th...
Remove duplicated rows
...tes, right? Or it removes values randomly?
– News_is_Selection_Bias
Aug 7 '17 at 0:43
@alphabetagamma yes, it keeps th...
In Vim, is there a way to paste text in the search line?
...
Typically, you would do that with mouse selecting (perhaps CtrlIns or CtrlC after selecting) and then, when in the command/search line, middle-clicking (or ShiftIns or CtrlV).
Another way, is to write your command/search line in the text buffer with all the editin...
How to escape apostrophe (') in MySql?
...
Here's an example:
SELECT * FROM pubs WHERE name LIKE "%John's%"
Just use double quotes to enclose the single quote.
If you insist in using single quotes (and the need to escape the character):
SELECT * FROM pubs WHERE name LIKE '%John\'s%'...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...file dialog appears (or: Drag & drop the chrome installer on the VBS). Select the destination of the Chrome installer, and the script automatically unpacks the files and duplicates the profile from a pre-configured base directory.
By default:
The Chrome binaries are placed in subfolders of C:...
How can I set a custom date time format in Oracle SQL Developer?
...veloper's menu go to: Tools > Preferences.
From the Preferences dialog, select Database > NLS from the left panel.
From the list of NLS parameters, enter DD-MON-RR HH24:MI:SS into the Date Format field.
Save and close the dialog, done!
Here is a screenshot:
...
How can I get WebStorm to recognize Jasmine methods?
...ed JS library stubs in Webstorm/PHPStorm/Idea
Open File > Settings...
Select Languages & Frameworks > JavaScript > Libraries
Click on Download...
Swich to TypeScript community stubs
Find karma-jasmine (originally under the name jasmine) (If this does not work, try jasmine instead...
How to delete a word and go into insert mode in Vim?
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:help objects in vim to read more about these sorts of selections.
– Aaron
Apr 22 '13 at 15:39
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Virtual/pure virtual explained
...es. What virtual does is to give you polymorphism, that is, the ability to select at run-time the most-derived override of a method.
Consider the following code:
#include <iostream>
using namespace std;
class Base {
public:
void NonVirtual() {
cout << "Base NonVirtual call...
How do I free my port 80 on localhost Windows?
...ative rights. open start, and write in search "cmd" right click on cmd and select Run as administrator.
– MuhFred
Dec 5 '14 at 19:30
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