大约有 23,000 项符合查询结果（耗时：0.0319秒） [XML]
Viewing all defined variables [duplicate]
...s was not obvious in your example because all the variables happened to be strings anyway; however, what it's returning is the type of the name of the variable instead of the type of the variable. To fix this: instead of print type(name) use print eval('type(' + name + ')'). I apologize for posting...
Determine whether an array contains a value [duplicate]
...has more upvotes than the answer. But good stuff - I've used indexOf() for strings, but I didn't know you could use it for arrays in general.
– doubleDown
Feb 4 '16 at 12:02
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What does LINQ return when the results are empty
... the following ToList() will throw an exception or just a empty List<string> if nothing found in IEnumerable result?
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java: ArrayList - how can i check if an index exists?
I'm using ArrayList<String> and I add data at specific indices,
how can I check if a specific index exists?
11 Ans...
Android: show soft keyboard automatically when focus is on an EditText
...rride
public void onClick(DialogInterface dialog, int which) {
String text = textEdit.getText().toString();
finish();
}
});
alert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
...
Android java.lang.VerifyError?
...hat is not supported on the android SDK level you are using (for instance, String.isEmpty()).
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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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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
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