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How to change column datatype in SQL database without losing data
...; Uncheck --> Prevent saving changes that required table re-creation.
Now you can easily change the column name without recreating the table or losing u r records.
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Regex (grep) for multi-line search needed [duplicate]
...ine at the end of line, substituting it for null character. That is, grep knows where end of line is, but sees the input as one big line.
-o print only matching. Because we're using -z, the whole file is like a single big line, so if there is a match, the entire file would be printed; this way it w...
How to convert an ArrayList containing Integers to primitive int array?
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much easier now in Java8: integers.stream().mapToInt(Integer::valueOf).toArray
– Manish Patel
Oct 23 '15 at 21:18
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Open Redis port for remote connections
...ded string bind 0.0.0.0 after string bind 127.0.0.1. Restarted redis. And now can connect remotly.
– Maxim Yefremov
Sep 30 '13 at 10:08
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Outline radius?
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Old question now, but this might be relevant for somebody with a similar issue. I had an input field with rounded border and wanted to change colour of focus outline. I couldn't tame the horrid square outline to the input control.
So ins...
Visual Studio opens the default browser instead of Internet Explorer
...n IDE setting is changed or even after restarting Visual Studio). There is now a default browser selector extension for 2010 to help combat this:
!!!Update!!! It appears that the WoVS Default Browser Switcher is no longer available for free according to @Cory. You might try Default Browser Changer ...
Set transparent background of an imageview on Android
...the below code for black:
<color name="black">#000000</color>
Now if you want to use opacity then you can use the below code:
<color name="black">#99000000</color>
And the below for opacity code:
100% — FF
95% — F2
90% — E6
85% — D9
80% — CC
75% — BF
70% — B3
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Display back button on action bar
...is way, you don't go back even if you start previous activity again having now one instace of it more and you go always forward and forward until stack overflow happens if you continua long enough. I think Igor's answer is correct you should stop this activity with finish() and let framework get y...
Server is already running in Rails
... After doing this I'm still getting a "Port in use" for 3000. Anyone know how I can fix this? Thanks!
– daveomcd
Jan 12 '14 at 1:48
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Split Java String by New Line
...s unfortunate that it has so many upvotes. As @ Raekye pointed out, OS X (now known as macOS) has used \n as its line separator since it was released in 2001. Mac OS 9 was released in 1999, and I have never seen a Mac OS 9 or below machine used in production. There is not a single modern operatin...