MailMessage Question/Confusion
- by j-t-s
Using this:
MailMessage mm = new MailMessage();
What is the difference between:
mm.Sender = sender; and mm.From = from; ?
Thank you
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Search found 8367 results on 335 pages for 'temporal difference'.
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How to stop Powershell insisting on one dash in parameters?
- by Julian Birch
It seems that somebody has subtly changed the way that parameter switches are parsed on powershell. On some machines "split-path c:\x\y --parent" works. On some it fails. Can anyone tell me a) what causes the difference and b) how can I stop it?Read the article
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Why does this eval not work in Ruby
- by Anil
Can you explain this? I want to eval values and calculations from two different sources. One source gives me the following info(programmatically): 'a = 2' The second source gives me this expression to evaluate: 'a + 3' This works: a = 2 eval 'a + 3' This also works: eval 'a = 2; a + 3' But what I really need is this, and it doesn't work: eval 'a = 2' eval 'a + 3' I would like to understand the difference, and how can I make the last option work. Thanks for your help.Read the article
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Better to use an OR or an AND when checking for NULLs in C if statements?
- by Crazy Chenz
Came across a line in OpenSSL that made me do a double take... if (!*pos) return NULL; if (!*pos || ((*pos)->flags == FLAGS)) return blah; Is there a (performance/security/concurrecy) difference in doing that instead of: if (!*pos) return NULL; if (*pos && ((*pos)->flags == FLAGS)) return blah; Thanks, ChenzRead the article
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Reflection: different ways to retrieve property value
- by jules
I'm retrieving an IEnumerable list of properties via following code: BindingFlags bindingFlag = BindingFlags.Instance | BindingFlags.Public; var dataProperties = typeof(myParentObject).GetProperties(bindingFlag); Then I'm iterating through the list and retrieving the value for each property. I've come across two different approaches to doing this, and just wondered what the difference is between them: 1) object propertyValue = property.GetGetMethod().Invoke(myObject, null); 2) object propertValue = property.GetValue(myObject, null)Read the article
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Bouncy Castle provider don't work in Linux Ubuntu
- by Tom Brito
I've successful installed Bouncy Castle in a Windows environment, but the same steps isn't working for Linux Ubuntu (V9.04). Does anyone know any difference from installing Bouncy Castle in Windows and Linux? Or any bug with Bouncy Castle in Linux Ubuntu 9.04?Read the article
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grails mockFor closure wierdness
- by hvgotcodes
Right, so when I set up my mock using the testing plugin's mockFor method, I expect a method that returns null. If I do myControl.demand.theMethod {return null} in the debugger, the value that I set the 'theMethod' call result to is some closure in the debugger. If I do myControl.demand.theMethod {->return null} the value is null, as expected. I dont understand the difference....Read the article
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Java: "implements Runnable" vs. "extends Thread"
- by goosefraba19
From what time I've spent with threads in Java, I've found these two ways to write threads. public class ThreadA implements Runnable { public void run() { //Code } } //with a "new Thread(threadA).start()" call public class ThreadB extends Thread { public ThreadB() { super("ThreadB"); } public void run() { //Code } } //with a "threadB.start()" call Is there any significant difference in these two blocks of code?Read the article
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Dynamically resizing CFWINDOW to fit content
- by Ryan French
Hi all, Am currently working on a site that uses a lot of cfwindow objects and I was wondering if anyone knows of a way to dynamically resize the window so that all the content fits in without the need for scroll bars. I have tried using the overflow=visible configuration but it doesnt seem to make a difference. Thanks in advance for any advice.Read the article
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Which DateTime module is best for manipulating an XML date and time
- by justintime
I am trying to parse a date from a GPX (XML track format) that looks like 2009-08-02T12:11:06Z My initial approach was to use DateTime::Format::RFC3339 But DateTime:Format::XSD seems to do a similar job. Is there a difference between the applicability of these modules.Read the article
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#pragma once Versus #if !defined MYHEADER_INCLUDED_
- by bdhar
What is/are the differences (in performance/usability/functionality) in using #pragma once and #if !defined MYHEADER_INCLUDED_ constructs? Or what is the difference between the two?Read the article
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Excel Merge() vs MergeCells
- by sleepp
Hi, I'm using VSTO, C#, and Excel but VBA probably applies here as well. What's the difference between calling the Merge(missing) method on a range and setting the MergeCells property to true? Does Merge() fail more often? Thanks!Read the article
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Why would you need a slash at the end of a URL?
- by Daniel
Is there a difference between these URLs in regards to having slashes at the end of the URL? https://drchrono.com/about_us https://drchrono.com/about_us/ Do web frameworks and web servers (e.g. Apache, Nginx, Django) handle these requests differently?Read the article
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C# Lambda expression syntax, is brackets necessary?
- by DevNovice
I'm new in C# and earlier I saw the lambda expression is like (params) = { expression;} but in LINQ, I saw examples like IEnumerable customerFirstNames = customers.Select(cust = cust.FirstName); No brackets. Are they the same or is there any difference? Thanks a lot.Read the article
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Creating instance in java class
- by aladine
Please advise me the difference between two ways of declaration of java constructor public class A{ private static A instance = new A(); public static A getInstance() { return instance; } public static void main(String[] args) { A a= A.getInstance(); } } AND public class B{ public B(){}; public static void main(String[] args) { B b= new B(); } } ThanksRead the article
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Talking J2EE 1.4 with JEE 5
- by Filip
Is it possible to use Enterprise Bean from JEE 5 server application in client application written in J2EE 1.4. What about difference in interfaces in this two technologies?Read the article
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Example of xargs' -x option in action
- by Ole Tange
GNU xargs has option '-x'. The man page says: -x Exit if the size (see the -s option) is exceeded. But xargs seems to not care if -x is set or not. I have been unable to make an example in which the -x has any effect at all. Please provide two examples in which the only difference is an added -x and that produce different output.Read the article
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comparing two text files storing it in third one python
- by tazim
Hi, I need to compare two files and redirect the different lines to third file. I know using diff command i can get the difference . But, is there any way of doing it in python ?Read the article
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FormsAuthentication AuthCookie data type
- by FreshCode
Does the original data type of the username string in a call to FormsAuthentication.SetAuthCookie(...) make any difference with regards to security or code maintainability? As I understand it, the cookie is encrypted and used to identify a user on each request. I'm curious whether it should affect the design of the primary key on my Users table in my database, eg. Guid vs int or a unique username string.Read the article
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Pop Up to enter credentials
- by user320969
When I open my SharePoint site collection everytime I am getting the pop up to enter the credential. How I can get rid off this. I checked in the alternate access mapping but I couldnt figure out anything difference,as the internal URL and external URL s are same. Can anyone help me regarding this??Read the article
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What trick does Java use to avoid spaces in >> ?
- by kunjaan
In the Java Generic Book, while contrasting the difference between C++ Templates and Java Generic says: In C++, a problem arises because without the space denotes the right-shift operator. Java fixes the problem by a trick in the grammar.) What is this trick?Read the article
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Buisness Rule and Process Management?
- by elgcom
After some searching in google and wikipedia, I still can not get a clear image about the "difference" between BRMS (Business Rule Management System) and BPM (Business process management)/workflow system. can those two concepts do the same thing from each other? (theoretically) A "rule" can be modeled as a "process" as well. isn't it?Read the article
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Python `if x is not None` or `if not x is None`?
- by orokusaki
I've always thought of the if not x is None version to be more clear, but Google's style guide implies (based on this excerpt) that they use if x is not None. Is there any minor performance difference (I'm assuming not), and is there any case where one really doesn't fit (making the other a clear winner for my convention)?* *I'm referring to any singleton, rather than just None. ...to compare singletons like None. Use is or is not.Read the article
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localstorage vs html5?
- by Mark
What's the difference between local/html5 on this page: http://code.google.com/p/jquery-jstore/wiki/DefaultEngines I was under the impression that I could use localstorage on Chrome, but looks like that's not the case? Some elucidation would be greatly appreciated. Thanks.Read the article
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On Android, app jumps back to default Page on orientation change
- by SteAp
I tested my Xamarin.Forms app on iOS and Android and found this difference when I change the orientation of the mobile device: On iOS, the app keeps the current page On Android, the app seems to restart using the default page (or probably pop all pages except the first one). Since I've never seen this behavior in another Android app, I'd like to disable it. Moreover, I don't think that this behavior is Android default. Which property do I need to set the make the Android target behave as the iOS target?Read the article
