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Java: Static Class?
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singleton is not more evil than dependency injection:)
– irreputable
Dec 4 '09 at 2:43
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Change a Django form field to a hidden field
...nage your form rendering into your template, indeed, this solution is much more clear/clean.
– christophe31
Aug 28 '19 at 14:00
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How to select only date from a DATETIME field in MySQL?
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SELECT DATE(ColumnName) FROM tablename;
More on MySQL DATE() function.
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Convert number strings with commas in pandas DataFrame to float
...read_csv('foo.tsv', sep='\t', thousands=',')
This method is likely to be more efficient than performing the operation as a separate step.
You need to set the locale first:
In [ 9]: import locale
In [10]: from locale import atof
In [11]: locale.setlocale(locale.LC_NUMERIC, '')
Out[11]: 'en_GB...
The bare minimum needed to write a MSMQ sample application
... after all processing, delete all the messages
messageQueue.Purge();
For more complex scenario, you could use Message objects to send the message, wrap your own class object inside it, and mark your class as serializable. Also be sure that MSMQ is installed on your system
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How to remove all callbacks from a Handler?
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Vim: Delete buffer without losing the split window
...owever, it will jump to hidden buffers if you have set hidden, so I made a more intelligent BD function to avoid that.
– c24w
Nov 7 '14 at 16:59
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__FILE__, __LINE__, and __FUNCTION__ usage in C++
...gets enough surprises out of C++ :)
Edit: @Jonathan Leffler provides some more good use-cases in the comments:
Messing with #line is very useful for pre-processors that want to keep errors reported in the user's C code in line with the user's source file. Yacc, Lex, and (more at home to me) ESQ...
How can I use mySQL replace() to replace strings in multiple records?
... is unlikely to improve any performance - it is actually going to generate more work for the server. Unless you have another WHERE clause member that is going to make this query perform better, you can simply do an update like this:
UPDATE MyTable
SET StringColumn = REPLACE (StringColumn, 'GREATERT...