sql: self-joins explained
- by every_answer_gets_a_point
i dont understand the need for self-joins. can someone please explain them to me? a simple example would be very helpful
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Search found 7086 results on 284 pages for 'explain'.
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What is Encapsulation and how can it defend abstractions against corruption?
- by symfony
It's quoted from a report by Bjarne: Encapsulation – the ability to provide guarantees that an abstraction is used only according to its specification – is crucial to defend abstractions against corruption. Can someone explain this? ThanksRead the article
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What are the differences between various threading synchronization options in C#?
- by user38834
Can someone explain the difference between: lock (someobject) {} Using Mutex Using Semaphore Using Monitor Using Other .Net synchronization classes I just can't figure it out. It seems to me the first two are the same?Read the article
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Is it possible to use 'variables' for css / html element ?
- by stighy
Hi, i would like to make 'skinnable' a web site written in asp.net... I explain: for example, i have a 'div' element, and i would like to define a background-color using a variable, not a fixed value. How can i do ? Css ? Or other tecniques ? ThanksRead the article
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Which one of language programming do you prefer?
- by mehdi
Which one of language programming do you prefer? What is your reasons for this? Please explain your reasons.Read the article
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What will be the return status in the following sheel script.
- by Pradip Bhojania
i have two shell scripts: script1.sh echo "date : DATE" exit 0; script2.sh ./scripts1.sh if [ $? -eq 0 ]; then reboot; else echo "Failed" fi What should be the result. Ideally it should have been "reboot" , however on some execution i got the "failed" message too. Can anyone explain why this happens?Read the article
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How can I have a floating image (right aligned) with text that wraps around the image in Android Lay
- by groomsy
It's kind of hard to explain, but an example of what I'm wanting to accomplish is like this: Here is some text | image | that is printed | | out in a view and --------- it is wrapped around an image that is floating and right aligned. I thought about generating the layout in html and using a web view, but I need to be able to perform an action when the user clicks on the image. Does anyone have any ideas? Thanks in advance, groomsyRead the article
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time required to finish the multithreaded program??
- by user275131
A java process starts 5 threads , each thread takes 5 minutes. what will be the minimum and maximum time taken by process? will be of great help if one can explain in java threads and OS threads. Edit : I want to know how java schedule threads at OS level.Read the article
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Need of serialization in Java
- by JavaUser
Hi , Can anyone tell me what is the need of Serialization in Java and an example scenario to explain the need . I dont need the definition .Read the article
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Doubt in Conditional inclusion
- by Philando Gullible
This is actually extracted from my module (Pre-processor in C) The conditional expression could contain any C operator except for the assignment operators,increment, and decrement operators. I am not sure if I am getting this statement or not since I tried using this and it worked.Also for other manipulation a probable work around would be to simply declare macro or function inside the conditional expression,something like this to be precise. Also I don't understand what is the rationale behind this rule. Could somebody explain? ThanksRead the article
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Looking for an easy explanation of exec in PHP
- by mohanvydehi
I am having trouble understanding the exec function in PHP. Can someone please explain it to me in simple terms?Read the article
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How Session Works?
- by learner
Any body can explain me how session works in PHP. for eg. 3 users logged into gmail. how the server identifies these 3 uers. what are the internel process behind that.Read the article
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Advice on reading indexes
- by London
Hello, I'm trying to figure out the right way to read lucene index only once whilst running the application multiple times, how can I do that in java? Because indexed data will not change so reading them each time would not be necessary. Can someone explain me the logic of it reading them only once? thank youRead the article
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Question ++ in c [closed]
- by Niraj CHoubey
Possible Duplicate: Could anyone explain these undefined behaviors (i = i++ + ++i , i = i++, etc…) int b=5; int c; c=b++ + ++b; outputs 12 while b=b++ + ++b; outputs 13. Can someone help me please?Read the article
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What is the significance of Thread.Join method in c sharp .net ?
- by Techee
What is the significance of Thread.Join method in c sharp .net ? MSDN says that it blocks the calling thread until a thread terminates. Can anybody explain this with a simple example ?Read the article
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problem with seting GET value
- by Syom
in my site i want to set default page to open, using this script if (!isset($_GET)) { $_GET['id'] = "home"; } but it doesn't work. can somebody explain why?Read the article
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Why subtract a value from itself (x - x) in Python?
- by endolith
In NumPy functions, there are often initial lines that do checking of variable types, forcing them to be certain types, etc. Can someone explain the point of these lines? What does subtracting a value from itself do? t,w = asarray(t), asarray(duty) w = asarray(w + (t-t)) t = asarray(t + (w-w))Read the article
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Authentication Issues using WMI in C#
- by Samiul
Hi all, How can I use WMIUserID, WMIPassword, WMIAlternateCredentials using C#? Please try to explain with examples. Thanks.Read the article
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Variables combined with && and ||
- by gcc
What do the last lines mean? a=0; b=0; c=0; a && b++; c || b--; Can you vary this question to explain with more interesting example?Read the article
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What is a framework? What does it do? Why do we need a framework
- by Anxious
Hi, Can someone please explain me what a framework is? Why do we need a framework? What does a framework do to make our life easier?Read the article
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What problems does Reflection solve?
- by Praveen
Hi All, I went through all the posts on Reflection but couldn't find the answer to my question. Can you please tell me what were the problems in programming world before .Net Reflection came and how it solved those problems. Please explain with example.Read the article
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Problem when uploading php file
- by justjoe
can anybody explain why uploaded php files treated by a server as a text file ? The symptom is when i try to access a php file, the server send me the content of the file.Read the article
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[C#] NodeMouseClick event doesn't work correctly ???
- by Wayne
i use a treeview to display files and folders like Windows Explorer. it has a NodeMouseClick event but sometimes when i click +, this event doesn't fire. private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e) { MessageBox.Show("node mouse click"); } can anyone explain for me why ? and how to know whenever i click + ? thanks in advance!Read the article
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i have question about job
- by davit-datuashvili
hi i will explain my situation i am study algorithms and data structures and i know many thing practical and others most thoereticaly and trying to implement in practise i want to get job where i will study more quickly i am interested if i have chance to start job when i have not expierence? thanks please advise what to doRead the article
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Even more advanced .htaccess question
- by Richard
Got a great answer earlier, but unfortunately, I didn't explain the WHOLE situation: I need to rewrite: blog.domainname.com/archives/YYYY/MM/postname/ and www.blog.domainname.com/archives/YYYY/MM/postname/ to www.domainname.com/blog/postname/ Thanks in advance!Read the article
