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How to get the unique ID of an object which overrides hashCode()?
...t as an integer. Uniqueness isn't necessarily guaranteed. The Sun JVM implementation will give you a value which is related to the original memory address for this object, but that's an implementation detail and you shouldn't rely on it.
EDIT: Answer modified following Tom's comment below re. memor...
Is it possible to preview stash contents in git?
I often put work away for later, then other stuff comes along, and a few weeks later, I want to inspect the stash, and find out what changes it would make if I applied it to working tree in its current state.
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Altering a column: null to not null
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Let me value-add to the above two correct responses. The semantics of NULL can have a few meanings. One of the common meaning is UNKNOWN. Take SCORE as an example. A null SCORE and a ZERO SCORE is a world of difference! Before yo...
Qt: can't find -lGL error
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You should install package "libgl1-mesa-dev":
sudo apt install libgl1-mesa-dev
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Install a Windows service using a Windows command prompt?
...lutil.exe in your .net folder (for .net 4 it's C:\Windows\Microsoft.NET\Framework\v4.0.30319 for example) and use it to install your service, like this:
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" "c:\myservice.exe"
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How to change the timeout on a .NET WebClient object
...ogramatically) and their webserver is very, very slow which is causing a timeout in my WebClient object.
12 Answers
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Replacing a fragment with another fragment inside activity group
I have a fragment inside a group activity and I want to replace it with another fragment:
12 Answers
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How to get root access on Android emulator?
I have All Android SDK versions(from 1.5 to 2.3.3), and I tried many methods for getting root in Android emulator. I don't use any Android device and test everything on emulator(AVD).
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What is the command to truncate a SQL Server log file?
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if I remember well... in query analyzer or equivalent:
BACKUP LOG databasename WITH TRUNCATE_ONLY
DBCC SHRINKFILE ( databasename_Log, 1)
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A html space is showing as %2520 instead of %20
Passing a filename to the firefox browser causes it to replace spaces with %2520 instead of %20 .
5 Answers
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