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How do I get PyLint to recognize numpy members?
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If using Visual Studio Code with Don Jayamanne's excellent Python extension, add a user setting to whitelist numpy:
{
// whitelist numpy to remove lint errors
"python.linting.pylintArgs": [
"--extension-pkg-whitelist=numpy"
]
}
...
What's the difference between findAndModify and update in MongoDB?
I'm a little bit confused by the findAndModify method in MongoDB. What's the advantage of it over the update method? For me, it seems that it just returns the item first and then updates it. But why do I need to return the item first? I read the MongoDB: the definitive guide and it says that i...
Calculate relative time in C#
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Jeff, your code is nice but could be clearer with constants (as suggested in Code Complete).
const int SECOND = 1;
const int MINUTE = 60 * SECOND;
const int HOUR = 60 * MINUTE;
const int DAY = 24 * HOUR;
const int MONTH = 30 * DAY;
var ts = new TimeSpan(DateTime.UtcNow...
How to get ERD diagram for an existing database?
I have a PostgreSQL database. I want to get its ERD. How can I do so?
12 Answers
12
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How can I connect to MySQL in Python 3 on Windows?
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There are currently a few options for using Python 3 with mysql:
https://pypi.python.org/pypi/mysql-connector-python
Officially supported by Oracle
Pure python
A little slow
Not compatible with MySQLdb
https://pypi.python.org/pypi/pymysql
Pure python
Faster than mysql-con...
How do I find Waldo with Mathematica?
... America] puzzles, using Mathematica (image-processing and other functionality)?
5 Answers
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What does new self(); mean in PHP?
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self points to the class in which it is written.
So, if your getInstance method is in a class name MyClass, the following line :
self::$_instance = new self();
Will do the same as :
self::$_instance = new MyClass();
Edit : a couple more information...
AngularJS- Login and Authentication in each route and controller
.../home');
}
});
}]);
You should create a service (I will name it Auth) which will handle the user object and have a method to know if the user is logged or not.
service:
.factory('Auth', function(){
var user;
return{
setUser : function(aUser){
user = aUser;
},
i...
Show a popup/message box from a Windows batch file
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I would make a very simple VBScript file and call it using CScript to parse the command line parameters.
Something like the following saved in MessageBox.vbs:
Set objArgs = WScript.Arguments
messageText = objArgs(0)
MsgBox messageText
Which you would call like:
cscript ...
How do I scroll to an element using JavaScript?
...wing javascript:
// the next line is required to work around a bug in WebKit (Chrome / Safari)
location.href = "#";
location.href = "#myDiv";
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