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Working copy XXX locked and cleanup failed in SVN
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While this technically works, it is such a bad way to do this compared to removing the locks that it deserves a downvote.
– Jukka Dahlbom
May 2 '12 at 13:02
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AWS S3: how do I see how much disk space is using
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Yippe - an update to AWS CLI allows you to recursively ls through buckets...
aws s3 ls s3://<bucketname> --recursive | grep -v -E "(Bucket: |Prefix: |LastWriteTime|^$|--)" | awk 'BEGIN {total=0}{total+=$3}END{print total/1024/1024" MB"}'
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How to make an Android Spinner with initial text “Select One”?
I want to use a Spinner that initially (when the user has not made a selection yet) displays the text "Select One". When the user clicks the spinner, the list of items is displayed and the user selects one of the options. After the user has made a selection, the selected item is displayed in the Spi...
Copy values from one column to another in the same table
...ith the update command... Without a WHERE clause, this command will update ALL records in the table.
– gmo
Oct 6 '16 at 10:51
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Checking if an Android application is running in the background
...Pause();
MyApplication.activityPaused();
}
Update
ActivityLifecycleCallbacks were added in API level 14 (Android 4.0). You can use them to track whether an activity of your application is currently visible to the user. Check Cornstalks' answer below for the details.
The wrong one
I used to s...
Are static variables shared between threads?
...one thread makes becoming visible to other threads in a timely manner (actually the JVM has no obligation to make those changes visible to you at all, in any time frame), unless you establish a happens-before relationship.
Here's a quote from that link (supplied in the comment by Jed Wesley-Smith):
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How to fix the datetime2 out-of-range conversion error using DbContext and SetInitializer?
...{ get; set; }
public DateTime? DataDisparado { get; set; }//.This allow you to work with nullable datetime in database.
public DateTime? DataResolvido { get; set; }//.This allow you to work with nullable datetime in database.
public long Latencia { get; set; }
publi...
How to create Windows EventLog source from command line?
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whilst this worked and created a new source all my events all had "The description for Event ID 0 from source myApp cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted" so I had to edit t...
How to sort a dataframe by multiple column(s)
...as speedy as the base R commands with their convoluted machinations. Typically brilliant Hadley Wickham work. My only gripe with it is that it breaks the standard R nomenclature where sorting objects get called by sort(object), but I understand why Hadley did it that way due to issues discussed in...
list.clear() vs list = new ArrayList(); [duplicate]
... the array copy that occurs when size exceeds capacity on an .add(Object) call.
– Platinum Azure
Aug 5 '11 at 19:12
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