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javac : command not found
...es --configure java to switch between them.
To find java location of java selected in alternatives
readlink -f $(which java)
In my case:
/usr/java/jdk1.8.0_241-amd64/jre/bin/java
So I set following in .bashrc to:
export JAVA_HOME=/usr/java/jdk1.8.0_241-amd64/jre/bin/java
export JAVAC_HOM...
How do you usually Tag log entries? (android)
...Android Studio -> preference -> Live Templates -> AndroidLog then select Log.d(TAG, String).
In Template text replace
android.util.Log.d(TAG, "$METHOD_NAME$: $content$");
with
android.util.Log.d("$className$", "$METHOD_NAME$: $content$");
Then click Edit variables and enter classN...
How do I tidy up an HTML file's indentation in VI?
...her move the cursor to the top of the file and indent to the end: gg =G
Or select the desired text to indent and hit = to indent it.
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How to get rid of blank pages in PDF exported from SSRS
...t margin
Close and go back to the design surface
In the Properties window, select Body
Click the + symbol to expand the Size node
Make a note of the value for Width
To render in PDF correctly Body Width + Left margin + Right margin must be less than or equal to Page width. When you see blank pages...
Scala how can I count the number of occurrences in a list
...wer (vs comment); i would love to enthusiastically upvote, if it were (and select it as the best answer if i were the OP);
– doug
Feb 13 '15 at 4:01
1
...
TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...e database. pytest-django also supports this style of tests, which you can select using an argument to the django_db mark:
@pytest.mark.django_db(transaction=True)
def test_spam():
pass # test relying on transactions
...
What's the bad magic number error?
...y mode to Programmer (Scientific in XP) to see Hex and Decimal conversion. Select "Hex" from Radio button. Enter values as second byte first and then the first byte i.e f303 Now click on "Dec" (Decimal) radio button. The value displayed is one which is correspond to the magic number aka version of p...
How can you disable Git integration in Visual Studio 2013 permanently?
...to:
Tools / Options
Check "Show all settings"
Source Control / Plug-in Selection
Set "Current source control plug-in" to "None"
Then, as Ade Miller says: Restart Visual Studio.
My Visual Studio was working really slow since the git plugging was enabled and I managed to disable it "persistent...
How to prettyprint a JSON file?
... end up with maps whose keys are u"some-key" (python unicode), which makes selecting fields more difficult and doesn't really go in the direction of pretty-printing.
You can also use jq:
jq . some.json
and you get colors as a bonus (and way easier extendability).
Addendum: There is some confusi...
Run a string as a command within a Bash script
...rameters so I ended up with something like:
my_exe ()
{
mysql -sN -e "select $1 from heat.stack where heat.stack.name=\"$2\";"
}
This is something I use to monitor openstack heat stack creation. In this case I expect two conditions, an action 'CREATE' and a status 'COMPLETE' on a stack named ...