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Java RegEx meta character (.) and ordinary dot?
...ep it means "word boundary".
So write -?\d+\.\d+\$ to match 1.50$, -2.00$ etc. and [(){}[\]] for a character class that matches all kinds of brackets/braces/parentheses.
If you need to transform a user input string into a regex-safe form, use java.util.regex.Pattern.quote.
Further reading: Jan Go...
Server is already running in Rails
...l the running process
$ kill -9 5946
$ rm tmp/server.pids
foreman start etc start the service
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Copying files into the application folder at compile time
... are macro values for frequently used things like project path, item name, etc.
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Rails: How to change the text on the submit button in a Rails Form
... is not acceptable because of used text or you need additionally add class etc., so you can directly override value:
<%= f.submit class: 'btn btn-primary', value: 'Login' %>
or:
<%= f.button :submit, class: 'btn btn-primary', value: 'Login' %>
By the way it was mentioned by @cassi....
How to sort an ArrayList?
...herModel and have a line like this : return lhs.id > rhs.id ? -1 : .. etc
– user2808054
Jan 12 '18 at 17:54
The c...
SVN Repository Search [closed]
... it was necessary to use http as the protocol (svn list -R http://repo/svn/etc).
– Charles Wood
Oct 24 '13 at 22:16
do...
GSON - Date format
...d this bug today.
My approach allows all our existing clients (mobile/web/etc) to continue functioning as they were, but adds some handling for those using 24h formats and allows millis too, for good measure.
Gson rawGson = new Gson();
SimpleDateFormat fmt = new SimpleDateFormat("MMM d, yyyy HH:mm...
is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
...make sense conceptually. However, the wrapper classes (Integer, Character, etc.), as well as any other instantiable class can be null.
Besides that fact, there isn't any short-hand syntax for a null coalescing operator. You must use the expanded form.
...
Extreme wait-time when taking a SQL Server database offline
...://msdn.microsoft.com/en-us/library/ms189085.aspx
Bone up on checkpoints, etc. You need to decide if the transactions in your log are worth saving or not and then pick the mode to run your db in accordingly. There's really no reason for you to have to wait but also no reason for you to lose data e...
Git diff --name-only and copy that list
...swer.)
The -a parameter to rsync means to preserve permissions, ownership, etc. if possible. The -R means to use the full relative path when creating the files in the destination.
Update: if you have an old version of xargs, you'll need to use the -i option instead of -I. (The former is deprecat...