Find if 24 hrs have passed between datetimes - Python

Find if 24 hrs have passed between datetimes - Python

I have the following method:# last_updated is a datetime() object, representing the last time this program randef time_diff(last_updated): day_period = last_updated.replace(day=last_updated.day+1, hour=1,

How do I get the last inserted ID of a MySQL table in PHP?

How do I get the last inserted ID of a MySQL table in PHP?

I have a table into which new data is frequently inserted. I need to get the very last ID of the table. How can I do this?Is it similar to SELECT MAX(id) FROM table? 1:If you're using PDO, use PDO::lastInsertId.If you're using Mysqli, us

Controller not a function, got undefined, while defining controllers globally

Controller not a function, got undefined, while defining controllers globally

I am writing a sample application using angularjs. i got an error mentioned below on chrome browser. Error is Error: [ng:areq] http://errors.angularjs.org/1.3.0-beta.17/ng/areq?p0=ContactController&p1=not%20a%20function%2C%20got%20undefine

Map two lists into a dictionary in Python

Map two lists into a dictionary in Python

Imagine that you have:keys = ('name', 'age', 'food')values = ('Monty', 42, 'spam')What is the simplest way to produce the following dictionary ?a_dict = {'name' : 'Monty', 'age' : 42, 'food' : 'spam'}This code works, but I'm not reall

SQL JOIN and different types of JOINs

SQL JOIN and different types of JOINs

What is a SQL JOIN and what are different types? 1:An illustration from W3schools: 2:What is SQL JOIN ?SQL JOIN is a method to retrieve data from two or more database tables.What are the different SQL JOINs ?There are a total of five

Strict Standards: Only variables should be passed by reference

Strict Standards: Only variables should be passed by reference

$el = array_shift($instance->find(..))The above code somehow reports the strict standars warning,but this will not:function get_arr(){ return array(1,2);}$el = array_shift(get_arr());So when will it report the warning anyway? 1:Consid

Chrome Extension Message passing: response not sent

Chrome Extension Message passing: response not sent

I am trying to pass messages between content script and the extensionHere is what I have in content-scriptchrome.runtime.sendMessage({type: "getUrls"}, function(response) { console.log(response)});And in the background script I havechrome.

Is there a difference between `==` and `is` in Python?

Is there a difference between `==` and `is` in Python?

My Google-fu has failed me.In Python, are the following two tests for equality equivalent?n = 5# Test one.if n == 5: print 'Yay!'# Test two.if n is 5: print 'Yay!'Does this hold true for objects where you would be comparing instances

What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]

What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]

This question already has an answer here: What is the difference between “INNER JOIN” and “OUTER JOIN”? 33 answers What's the d

How to iterate through two lists in parallel?

How to iterate through two lists in parallel?

I have two iterables in Python, and I want to go over them in pairs:foo = (1, 2, 3)bar = (4, 5, 6)for (f, b) in some_iterator(foo, bar): print "f: ", f, "; b: ", bIt should result in:f: 1; b: 4f: 2; b: 5f: 3; b: 6One way to do it is to i

input() error - NameError: name '…' is not defined

input() error - NameError: name '…' is not defined

I am getting an error when I try to run this simple python script:input_variable = input ("Enter your name: ")print ("your name is" + input_variable)Lets say I type in "dude", the error I am getting is:line 1, in input_variable = in

Is it possible to write a template to check for a function's existence?

Is it possible to write a template to check for a function's existence?

Is it possible to write a template that changes behavior depending on if a certain member function is defined on a class?Here's a simple example of what I would want to write:templatestd::string optionalToString(T* obj){ if (FUN

How can I remove duplicate rows?

How can I remove duplicate rows?

What is the best way to remove duplicate rows from a fairly large SQL Server table (i.e. 300,000+ rows)?The rows, of course, will not be perfect duplicates because of the existence of the RowID identity field.MyTableRowID int not null ident

Why does a RegExp with global flag give wrong results?

Why does a RegExp with global flag give wrong results?

What is the problem with this regular expression when I use the global flag and the case insensitive flag? Query is a user generated input. The result should be [true, true].var query = 'Foo B';var re = new RegExp(query, 'gi');var result =

Generate random numbers replicating arbitrary distribution

Generate random numbers replicating arbitrary distribution

I have data wherein I have a variable z that contains around 4000 values (from 0.0 to 1.0) for which the histogram looks like this. Now I need to generate a random variable, call it random_z which should replicate the above distribution. Wh

Remove double quotes from string

Remove double quotes from string

I'm trying to grab data from a MySQL database and use Ruby to reformat it into a flat text file. Some of my MySQL data contains double quotes like so: Matthew "Matt" Perryand I need to remove those quotes and replace them with something el

Get git current branch/tag name

Get git current branch/tag name

How can I get the current branch or tag name for my working copy? I have seen references that indicate rev-parse --abbrev-ref HEAD will give branch name, but this doesn't work if the checkout is of a tag, in which case it just returns 'HEA

Python's hasattr on list values of dictionaries always returns false?

Python's hasattr on list values of dictionaries always returns false?

I have a dictionary that sometimes receives calls for non-existent keys, so I try and use hasattr and getattr to handle these cases:key_string = 'foo'print "current info:", infoprint hasattr(info, key_string)print getattr(info, key_string,

how to replace characters in hive?

how to replace characters in hive?

I have a string column description in a hive table which may contain tab characters '\t', these characters are however messing some views when connecting hive to an external application.is there a simple way to get rid of all tab characters

Does Java 8 have cached support for suppliers?

Does Java 8 have cached support for suppliers?

The guava library has it's own Supplier which does not extend Java 8 Supplier. Also guava provides a cache for suppliers - Suppliers#memoize.Is there something similar, but for Java 8 Suppliers? 1:The simplest solution would bepublic sta

how does SELECT TOP works when no order by is specified?

how does SELECT TOP works when no order by is specified?

The msdn documentation says that when we write SELECT TOP(N) ..... ORDER BY [COLUMN]We get top(n) rows that are sorted by column (asc or desc depending on what we choose)But if we don't specify any order by, msdn says random as Gail Erickso

NSManagedObject as NSDictionary key?

NSManagedObject as NSDictionary key?

In my app, I have a NSDictionary whose keys should be instances of a subclass of NSManagedObject. The problem, however, is that NSManagedObject does not implement the NSCopying protocol which means that no Core Data objects / instances of N

Converting byte array to string and back again in C#

Converting byte array to string and back again in C#

So here's the deal: I'm trying to open a file (from bytes), convert it to a string so I can mess with some metadata in the header, convert it back to bytes, and save it. The problem I'm running into right now is with this code. When I compa

Android SpeechRecognizer “confidence” values are confusing

Android SpeechRecognizer “confidence” values are confusing

I'm using the SpeechRecognizer via Intent:Intent i = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);i.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);i.putExtra(RecognizerIntent.EXTRA_

Why does this ElasticSearch scan and scroll keep returning the same scroll id?

Why does this ElasticSearch scan and scroll keep returning the same scroll id?

So first I run the following:curl -s -XGET http://localhost:9200/my_index/_search?scroll=1m&search_type=scan&size=10This returns a scroll id which I then use in the first scroll request:curl -s -XGET http://localhost:9200/_search/scroll?scr