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Can I have multiple Xcode versions installed?
... I recently upgraded to Xcode 7, and lost the ability to build and test on iOS 7.1. I downloaded Xcode 6.4 from developer.apple.com/downloads/index.action (as per previous comments) and copied Xcode.app to /Applications/Xcode-6.4, from which it runs very happily (as per information provided...
File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?
... is that the class able to access his UNIX file-system? (I couldn't really test this because I do not have another FileSystem installed.)
– Pacerier
Nov 10 '11 at 6:21
1
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Use of Initializers vs Constructors in Java
...anding. I thought I would add this little demonstration as a comment. To test your understanding, see if you can predict the answer before reading it at the bottom.
/**
* Demonstrate order of initialization in Java.
* @author Daniel S. Wilkerson
*/
public class CtorOrder {
public static void...
Return all enumerables with yield return at once; without looping through
...at exactly do you mean that it will call the methods immediately? I ran a test and it looks like it's deferring the method calls completely until something is actually iterated. Code here: pastebin.com/0kj5QtfD
– Steven Oxley
Aug 9 '10 at 23:20
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android get real path by Uri.getPath()
...getRealPathFromURI_API19(): returns real path for API 19 (or above but not tested)
getRealPathFromURI_API11to18(): returns real path for API 11 to API 18
getRealPathFromURI_below11(): returns real path for API below 11
public class RealPathUtil {
@SuppressLint("NewApi")
public static String getRea...
How can I write a heredoc to a file in Bash script?
..., use <<- (followed by a dash) to disable leading tabs (Note that to test this you will need to replace the leading whitespace with a tab character, since I cannot print actual tab characters here.)
#!/usr/bin/env bash
if true ; then
cat <<- EOF > /tmp/yourfilehere
The leadi...
Difference between HTML “overflow : auto” and “overflow : scroll”
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There doesn't seem to be a difference, on the latest version of Safari at least: Even with scroll, I don't see the scrollbar if the content fits. But, just to be safe, I went with auto because I only want to show a scrollbar when the content is clipped.
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Import regular CSS file in SCSS file?
...preter is based on libsass it should be working fine (checkout this). I've tested using @import on node-sass and it's working fine. Unfortunately this works and doesn't work on some ruby instances.
share
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How to run cron once, daily at 10pm
... Month(1-12) Day_of_week(0-6) Command_to_execute
Your syntax
* 22 * * * test > /dev/null
your job will Execute every minute at 22:00 hrs all week, month and year.
adding an option (0-59) at the minute place will run it once at 22:00 hrs all week, month and year.
0 22 * * * command_to_exe...
Javadoc link to method in other class
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Thanks for this, I just tested this solution and this works fine! But I've read in so many places that you should use the link in see to get this to work, so that's a bit strange...
– Robert
Jul 5 '13 at 20:20
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