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When should you branch?
... on incompatible policy.
* Branch late.
* Branch, instead of freeze.
See http://www.perforce.com/sites/default/files/pdf/perforce-best-practices.pdf for a detailed explanation of each of them and other best practice.
How to import data from mongodb to pandas?
...odes I'm using:
import pandas as pd
from pymongo import MongoClient
def _connect_mongo(host, port, username, password, db):
""" A util for making a connection to mongo """
if username and password:
mongo_uri = 'mongodb://%s:%s@%s:%s/%s' % (username, password, host, port, db)
...
How do you explicitly set a new property on `window` in TypeScript?
...2, no need for .d.ts file as mentioned above
– tanguy_k
Sep 3 '17 at 20:29
6
...
How do I use extern to share variables between source files?
... is demonstrated by file3.h, file1.c and file2.c:
file3.h
extern int global_variable; /* Declaration of the variable */
file1.c
#include "file3.h" /* Declaration made available here */
#include "prog1.h" /* Function declarations */
/* Variable defined here */
int global_variable = 37; /* Def...
How to write logs in text file when using java.util.logging.Logger
...
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16
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SQLAlchemy - Getting a list of tables
...the baseclass,
>>> Base = sqlalchemy.ext.declarative.declarative_base()
>>> Base.metadata
MetaData(None)
If you are trying to figure out what tables are present in your database, even among the ones you haven't even told SQLAlchemy about yet, then you can use table reflection. ...
Can I get CONST's defined on a PHP class?
...to looking at caching the result.
<?php
class Profile {
const LABEL_FIRST_NAME = "First Name";
const LABEL_LAST_NAME = "Last Name";
const LABEL_COMPANY_NAME = "Company";
}
$refl = new ReflectionClass('Profile');
print_r($refl->getConstants());
Output:
Array
(
'LABEL_FIRST...
Using Python String Formatting with Lists
...rmat with print() to iterate a list.
How about this (python 3.x):
sample_list = ['cat', 'dog', 'bunny', 'pig']
print("Your list of animals are: {}, {}, {} and {}".format(*sample_list))
Read the docs here on using format().
...
How to format a java.sql Timestamp for displaying?
...SQL and want the database itself to perform the conversion, use this:
DATE_FORMAT(date,format)
If you prefer to format using Java, use this:
java.text.SimpleDateFormat
SimpleDateFormat dateFormat = new SimpleDateFormat("M/dd/yyyy");
dateFormat.format( new Date() );
...
Is there a performance difference between i++ and ++i in C++?
... this->data += 1;
return *this;
}
Foo Foo::operator++(int ignored_dummy_value) // called for i++
{
Foo tmp(*this); // variable "tmp" cannot be optimized away by the compiler
++(*this);
return tmp;
}
Since the compiler isn't generating code, but just calling an operator++ ...