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,

What is an optional value in Swift?

What is an optional value in Swift?

From Apple's documentation: You can use if and let together to work with values that might be missing. These values are represented as optionals. An optional value either contains a value or contains nil to indicate that the value is missi

SQL update from one Table to another based on a ID match

SQL update from one Table to another based on a ID match

I have a database with account numbers and card numbers. I match these to a file to update any card numbers to the account number, so that I am only working with account numbers. I created a view linking the table to the account/card databa

Why does flowing off the end of a non-void function without returning a value not produce a compiler

Why does flowing off the end of a non-void function without returning a value not produce a compiler

Ever since I realized many years ago, that this doesn't produce an error by default, (in gcc at least) I've always wondered why?I understand that you can issue compiler flags to produce a warning, but shouldn't it always be an error? Why do

How do I match any character across multiple lines in a regular expression?

How do I match any character across multiple lines in a regular expression?

For example, this regex(.*)will match:abcdeBut how do I get it to match across multiple lines?abcdefghij 1:It depends on the language, but there should be a modifier that you can add to the regex pattern. In PHP i

Replicate each row of data.frame and specify the number of replications for each row

Replicate each row of data.frame and specify the number of replications for each row

df <- data.frame(var1=c('a', 'b', 'c'), var2=c('d', 'e', 'f'), freq=1:3)What is the simplest way to expand the first two columns of the data.frame above, so thateach row appears the number of times specified in the column 'freq'?In other wo

How to make a query with group_concat in sql server [duplicate]

How to make a query with group_concat in sql server [duplicate]

This question already has an answer here: Simulating group_concat MySQL function in Microsoft SQL Server 2005? 9 answers I know that in sql server we c

How to read a local text file?

How to read a local text file?

I’m trying to write a simple text file reader by creating a function that takes in the file’s path and converts each line of text into a char array, but it’s not working.function readTextFile() { var rawFile = new XMLHttpRequest(); rawFil

Get url parameter jquery Or How to Get Query String Values In js

Get url parameter jquery Or How to Get Query String Values In js

I have seen lots of jQuery examples where parameter size and name are unknown. My url is only going to ever have 1 string:http://example.com?sent=yesI just want to detect:Does sent exist?Is it equal to "yes"? 1:Best solution here.var get

Remove HTML tags from a String

Remove HTML tags from a String

Is there a good way to remove HTML from a Java string? A simple regex like replaceAll("\\<.*?>","") will work, but things like & wont be converted correctly and non-HTML between the two angle brackets will be removed (i.e. the .*? in

How to dynamically add suggestions to autocompletetextview with preserving character status

How to dynamically add suggestions to autocompletetextview with preserving character status

Problem Description:I am facing some problem with AutoCompleteTextView where I have to show suggestions after each keypress.Thing is that, list of suggestion is dynamic like google's suggestion feature.It means the new suggestions should be

Convert Rows to columns using 'Pivot' in SQL Server

Convert Rows to columns using 'Pivot' in SQL Server

Well I guess I am really dense. I have read the stuff on MS pivot tables and I am still having problems getting this correct. I have seen some of you that seem to eat and sleep this stuff, so I just decided to sign-up and ask the question.I

Fastest way to list all primes below N

Fastest way to list all primes below N

This is the best algorithm I could come up.def get_primes(n): numbers = set(range(n, 1, -1)) primes = [] while numbers: p = numbers.pop() primes.append(p) numbers.difference_update(set(range(p*2, n+1, p))) r

How to get mysqli error in different environments?

How to get mysqli error in different environments?

In my LOCAL/DEV environment, the mysqli query is performing OK. However, when I upload it on my WEBHOST environment, I got this error; Fatal error: Call to a member function bind_param() on a non-object in...Here is the code:global $mysqli

What is the difference between client-side and server-side programming?

What is the difference between client-side and server-side programming?

I have this code:Why does this not write "bar" into my text file, b

Which is the Spring equivalent for the CDI @Produces annotation?

Which is the Spring equivalent for the CDI @Produces annotation?

When I was working with CDI, I could use the @Produces annotation to create a producer method to be called to choose which bean that implemented an interface would be injected by the @Inject annotation .Now I am working with Spring, but I d

Change the wallpaper on all desktops in OS X 10.7 Lion?

Change the wallpaper on all desktops in OS X 10.7 Lion?

I would like to change the wallpaper of all desktops (formerly "spaces") on a screen. As of OS X 10.6 there is a category to NSWorkspace which allows the setting of the wallpaper, however, when I use this function only the wallpaper of the

How to automatically resolve merge conflicts by selecting the remote version in Git?

How to automatically resolve merge conflicts by selecting the remote version in Git?

Is there any way to specify to git to automatically resolve the conflicts for a pack of files by taking the remote version for each of them? For instance, to take the remote version of each files in a certain directory? 1:git-merge seems

Ant scp task not working, even with jsch on ant/lib

Ant scp task not working, even with jsch on ant/lib

I need to copy a war file via scp. I have added the jsch-0.1.42.jar to $ANT_HOME/lib but I'm still getting this error: Cause: the class org.apache.tools.ant.taskdefs.optional.ssh.Scp was not found. This looks like one of Ant's o

date() method, “A non well formed numeric value encountered” does not want to format a date passed i

date() method, “A non well formed numeric value encountered” does not want to format a date passed i

I unfortunately can't use DateTime() as the server this project is on is running PHP v.5.2.the line in question:$aptnDate2 = date('Y-m-d', $_POST['nextAppointmentDate']); throws the following error:Notice: A non well formed numeric value en

Is there a way to improve multicore / multiprocessor performance of the Java compiler?

Is there a way to improve multicore / multiprocessor performance of the Java compiler?

My coworker noticed that when javac is compiling it only utilizes a single core. Is there anything like the -j command with the gcc for Java that will allow us to distribute the compiler workload across cores or processors? If not, do you t

What is the template idiom?

What is the template idiom?

I was reading this and was trying to understand what N3601 was about. It said this idiom comes up a lot in a web search, but I couldn't find anything. What is thetemplateidiom, what does it solve, how is it used, what is are Implicit templa

Missing argument for parameter #1 in call error for function with no params. Swift

Missing argument for parameter #1 in call error for function with no params. Swift

I am using xcode 6 beta 6 and I get this weird error for a function that has no params.Here is the functionfunc allStudents ()-> [String]{ var appDel:AppDelegate = (UIApplication.sharedApplication().delegate as AppDelegate) var contex

C# vs VB.NET - Handling of null Structures

C# vs VB.NET - Handling of null Structures

I ran across this and was wondering if someone could explain why this works in VB.NET when I would expect it should fail, just like it does in C#//The C# Versionstruct Person { public string name;}...Person someone = null; //Nope! Can't

When is a good situation to use a full outer join?

When is a good situation to use a full outer join?

I'm always discouraged from using one, but is there a circumstance when it's the best approach? 1:It's rare, but I have a few cases where it's used. Typically in exception reports or ETL or other very peculiar situations where both side