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Null check in an enhanced for loop
...mpty list won't fail.
If you get this list from somewhere else and don't know if it is ok or not you could create a utility method and use it like this:
for( Object o : safe( list ) ) {
// do whatever
}
And of course safe would be:
public static List safe( List other ) {
return other =...
Why does my 'git branch' have no master?
...e my repo was still empty.) By committing something (any file), the master now came into being, and I was able to go on to doing other things. I tried the things in the other answers, but nothing helped. This one answer here may apply to many people out there. (I read much about hashing in Git. I ...
How do I ignore an error on 'git pull' about my local changes would be overwritten by merge?
...
git stash push --include-untracked
If you don't need them anymore, you now can drop that stash:
git stash drop
If you don't want to stash changes that you already staged - e.g. with git add - then add the option --keep-index. Note however, that this will still prevent merging if those staged ...
Default profile in Spring 3.1
...ot set the default profile in an application.properties file. In order to know that application-prod.properties should be use you'll have to know the profile. That's what this approach does. It defines profiles outside the spring context either the web.xml (default) or via environment variable (over...
Android: remove notification from notification bar
... with an event I manage to add notification in android notification bar. Now I need sample how to remove that notification from notification bar on an event ??
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Pipe to/from the clipboard in Bash script
...instance by restarting your terminal for changes to apply.
Usage
You can now use setclip and getclip, e.g:
$ echo foo | setclip
$ getclip
foo
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How to find all the tables in MySQL with specific column names in them?
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@JohnMillikin: or conversely, if you don't know the database but only the field name, leave it out and add TABLE_SCHEMA to the fields of the return set to see all databases + tables that contain that column name.
– Abel
May 17 '13...
When to use %r instead of %s in Python? [duplicate]
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Thanks. I was wondering why one might use the %r - but I now understand from your example above.
– Helen Neely
Jan 16 '14 at 15:49
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In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without
...ackage directories had accidentally been copied so that an extra directory now existed called "Copy of dagskra" containing Java files with wrong package declarations. In addition the errors in this "new" directory don't show up with a "red-x" in the package that it exists in:
Snapshot from Package ...
Iterate over a Javascript associative array in sorted order
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IE7 is at 0.5% and IE8 is at 8% as of now, fortunately.
– molnarg
Jul 10 '13 at 12:06
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