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Oracle TNS names not showing when adding new connection to SQL Developer
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Restart SQL Developer
Now in SQL Developer right click on Connections and select New Connection.... Select TNS as connection type in the drop down box. Your entries from tnsnames.ora should now display here.
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Sound alarm when code finishes
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This one seems to work on both Windows and Linux* (from this question):
def beep():
print("\a")
beep()
In Windows, can put at the end:
import winsound
winsound.Beep(500, 1000)
where 500 is the frequency in Herz
1000 is the duration in miliseconds
To work on ...
Real differences between “java -server” and “java -client”?
...ient option is ignored for many years.
See Windows java command:
-client
Selects the Java HotSpot Client VM.
A 64-bit capable JDK currently ignores this option and instead uses the Java Hotspot Server VM.
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Change app language programmatically in Android
...om BaseActivity.
public class LocaleHelper {
private static final String SELECTED_LANGUAGE = "Locale.Helper.Selected.Language";
public static Context onAttach(Context context) {
String lang = getPersistedData(context, Locale.getDefault().getLanguage());
return setLocale(context, lang);
}
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How to check if running in Cygwin, Mac or Linux?
... As one commenter notes, you can run the bash program, passing the script, from cmd itself and this may result in the paths not being set up as needed.
If you are doing that, it's your responsibility to ensure the correct executables (i.e., the CygWin ones) are being called, possibly by modifying t...
How to improve Netbeans performance?
...ions in netbeans.conf :
# Note that default -Xmx and -XX:MaxPermSize are selected for you automatically.
# You can find these values in var/log/messages.log file in your userdir.
# The automatically selected value can be overridden by specifying -J-Xmx or
# -J-XX:MaxPermSize= here or on the comman...
How do I check if I'm running on Windows in Python? [duplicate]
..., version='', csd='', ptype='')
Get additional version information from the Windows Registry
and return a tuple (version,csd,ptype) referring to version
number, CSD level and OS type (multi/single
processor).
But os.name is probably the way to go, as others have men...
How to get only the last part of a path in Python?
...ointed out, making changes so as to accomodate trailing '/'.
>>> from os.path import normpath, basename
>>> basename(normpath('/folderA/folderB/folderC/folderD/'))
'folderD'
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Your project contains error(s), please fix it before running it
...g steps project>>properties>>Java Build Path in left panel and select libraries in right panel(3 column) jar file is error. Just add JAR file in the same project libs folder in the popup. delete errored lib file. It works for me.
– gnganapath
Mar 10...
Query EC2 tags from within instance
... Name=resource-id,Values=ec2metadata --instance-id --out=json|jq '.Tags[]| select(.Key == "role")|.Value'
– jolestar
Apr 25 '15 at 2:14
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