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How to pass command line arguments to a shell alias? [duplicate]
...you are using double quotes the $1 is actually being evaluated to an empty string and the alias is actually the same as alias serve="python -m SimpleHTTPServer" and so whatever you pass after that alias is ALSO passed on the command line. If you try this set -x; alias serve="python -m SimpleHTTPSe...
python-pandas and databases like mysql
...ndas as pd
import cx_Oracle
ora_conn = cx_Oracle.connect('your_connection_string')
df_ora = pd.read_sql('select * from user_objects', con=ora_conn)
print 'loaded dataframe from Oracle. # Records: ', len(df_ora)
ora_conn.close()
And here is the equivalent example for MySQLdb:
import MySQLdb
m...
Bash: Strip trailing linebreak from output
...lt; log.txt)
Detail:
printf will print your content in place of the %s string place holder.
If you do not tell it to print a newline (%s\n), it won't.
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How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
... It seems 'gem' fails to recognize backslashes in the proxy string, whether by http_proxy env var or --http-proxy argument. e.g. from my Ubuntu box --http-proxy http ://domain\\userid@server:port gives me the error: "invalid argument: --http-proxy ..."; Fortunately, my proxy server di...
Failed to locate the winutils binary in the hadoop binary path
...op.util.NativeCrc32.nativeComputeChunkedSumsBy teArray(II[BI[BIILjava/lang/String;JZ)V
– Kaushik Lele
Jun 20 '15 at 14:47
...
How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?
...nk()`, an E_WARNING level error will be generated on failure.
*
* @param string $source absolute path to directory or file to delete.
* @param bool $removeOnlyChildren set to true will only remove content inside directory.
*
* @return bool true on success; false on failure
*/
function rrmdir...
How to completely uninstall Android Studio on Mac?
...ces
# The asterisk here should target all folders/files beginning with the string before it
rm -Rf ~/Library/Preferences/AndroidStudio*
# Deletes the Android Studio's plist file
rm -Rf ~/Library/Preferences/com.google.android.*
# Deletes the Android Emulator's plist file
rm -Rf ~/Library/Preferences...
How can I know if a process is running?
...r:
public static class ProcessHelpers {
public static bool IsRunning (string name) => Process.GetProcessesByName(name).Length > 0;
}
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How to 'grep' a continuous stream?
...and how large the buffers are on your OS. If the grep only matches a short string every few hours, it will be days before the first flush.
– tripleee
Aug 23 '11 at 13:53
...
@Autowired and static method
...ing = new Spring (context);
}
}
public static <T> T getBean(String name, Class<T> className) throws BeansException {
initContext();
return spring.context.getBean(name, className);
}
public static <T> T getBean(Class<T> className) throws BeansException {
...
