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How do I adb pull ALL files of a folder present in SD Card
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If you want to pull a folder owned by root, start an adb root session (using $ adb root).
– MasterAM
Jun 12 '14 at 13:32
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How to get last inserted id?
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I'm coming from a mysql background, I can't understand this command: Int32 newId = (Int32) myCommand.ExecuteScalar();
– Naguib Ihab
May 28 '15 at 1:23
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Change project name on Android Studio
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This did the trick for me:
Close Android Studio
Change project root directory name
Open Android Studio
Open the project (not from local history but by browsing to it)
Clean project
If your settings.gradle contains the below line, either delete it or update it to the new name.
rootProj...
NPM global install “cannot find module”
...lem due to my npm installing into a location that's not on my NODE_PATH.
[root@uberneek ~]# which npm
/opt/bin/npm
[root@uberneek ~]# which node
/opt/bin/node
[root@uberneek ~]# echo $NODE_PATH
My NODE_PATH was empty, and running npm install --global --verbose promised-io showed that it was insta...
Does a UNIQUE constraint automatically create an INDEX on the field(s)?
...email, user_id) is enough, you don't need a separate index on email only - MySQL can use leftmost parts of a composite index. There may be some border cases where the size of an index can slow down your queries, but you should not worry about them until you actually run into them.
As for testing in...
Does Foreign Key improve query performance?
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foreign keys do improve performance, at least in MySQL. Moreover, you're right, the creation of a FK does not create an index; the creation of a FK requires an index
– Félix Gagnon-Grenier
Aug 26 '14 at 17:31
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java.lang.NoClassDefFoundError: org/hamcrest/SelfDescribing
...JECT_NAME].iml
Replaced:
<library>
<CLASSES>
<root url="jar://$APPLICATION_HOME_DIR$/lib/junit-4.11.jar!/" />
</CLASSES>
<JAVADOC />
<SOURCES />
</library>
By:
<library name="JUnit4">
<CLASSES>
<root ...
Using OpenSSL what does “unable to write 'random state'” mean?
...appening seems to be that the .rnd file in your home directory is owned by root rather than your account. The quick fix:
sudo rm ~/.rnd
For more information, here's the entry from the OpenSSL FAQ:
Sometimes the openssl command line utility does not abort with a "PRNG not seeded" error messag...
Can you configure log4net in code instead of using a config file?
...e;
roller.ActivateOptions();
hierarchy.Root.AddAppender(roller);
MemoryAppender memory = new MemoryAppender();
memory.ActivateOptions();
hierarchy.Root.AddAppender(memory);
hierarchy.Root.Level = Level.Info;
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IntelliJ does not show 'Class' when we right click and select 'New'
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The directory or one of the parent directories must be marked as Source Root (In this case, it appears in blue).
If this is not the case, right click your root source directory -> Mark As -> Source Root.
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