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Rails migration for change column
... understand the answer but not the comments on this answer. Clarifications appreciated :)
– Alan H.
Oct 12 '11 at 1:25
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When should we call System.exit in Java
...ile or shell script you'd be able to get this value and get an idea if the application was successful.
It would make a quite an impact if you called System.exit(0) on an application deployed to an application server (think about it before you try it).
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strdup() - what does it do in C?
...n is guaranteed to run only on Solaris or Linux (by the very nature of the app).
– Patrick Schlüter
Dec 30 '11 at 13:01
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Run a callback only if an attribute has changed in Rails
I have the following association in my app:
3 Answers
3
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What is an .axd file?
... which are generated at runtime whenever you use ScriptManager in your Web app. This is being generated only once when you deploy it on the server.
Simply put the ScriptResource.AXD contains all of the clientside javascript routines for Ajax. Just because you include a scriptmanager that loads a s...
Eclipse error: 'Failed to create the Java Virtual Machine'
...VirtualMachines/jdk1.8.0_172.jdk/Contents/Home/bin/java" below "--launcher.appendVmargs" in eclipse.ini.
– clark yu
Mar 30 at 2:58
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How to compile and run C/C++ in a Unix console/Mac terminal?
...ntu, but it works in OS X as well. Type the following command in Terminal.app.
$ g++ -o lab21 iterative.cpp
-o is the letter O not zero
lab21 will be your executable file
iterative.cpp is your c++ file
After you run that command type the following in terminal to run your program:
$ ./lab21
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How to identify if a webpage is being loaded inside an iframe or directly into the browser window?
I am writing an iframe based facebook app. Now I want to use the same html page to render the normal website as well as the canvas page within facebook. I want to know if I can determine whether the page has been loaded inside the iframe or directly in the browser?
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Breakpoints are crossed out, how can I make them valid?
...re encountering what I encounter about once per year with Eclipse. There's apparently a bug in eclipse that causes this "Skip All Breakpoints" feature to turn ON all by itself even though you didn't actually turn it on.
– user2080225
May 11 '17 at 15:42
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jQuery UI DatePicker to show month year only
I am using jQuery date picker to display the calendar all over my app. I want to know if I can use it to display the month and year (May 2010) and not the calendar?
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