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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
...es. Also, not all situations are quite handled- for example, if you try to select from table foo while another transaction is dropping it and creating a replacement table foo, then the blocked transaction will finally receive an error rather than finding the new foo table. (Edit: this was fixed in o...
Is there a method for String conversion to Title Case?
Are there any built in methods available to convert a string into Title Case format?
21 Answers
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Concatenate text files with Windows command line, dropping leading lines
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more seemingly convert tab into spaces, pity!
– Antonio
Aug 18 '15 at 8:13
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
... I'm using caches on multiple levels anyway. You can always explicitly use SELECT SQL_CACHE <rest of statement> though.
– Will Morgan
May 4 '12 at 16:37
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How can I create a directly-executable cross-platform GUI app using Python?
...library with Python bindings and then (if you want) some program that will convert your python scripts into standalone executables.
Cross-platform GUI libraries with Python bindings (Windows, Linux, Mac)
Of course, there are many, but the most popular that I've seen in wild are:
Tkinter - based...
How do you use a variable in a regular expression?
...'a') or if you want hex numbers, you can do parseInt('' + myNumber, 16) to convert to hex from decimal.
– Eric Wendelin
Jun 21 '11 at 15:19
34
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Coalesce function for PHP?
... like coalesce in other languages, but any value, which will be implicitly converted to a boolean. So make sure you brush up on your type casting rules
– DanMan
May 24 '14 at 11:48
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Modify table: How to change 'Allow Nulls' attribute from not null to allow null
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I wrote this so I could edit all tables and columns to null at once:
select
case
when sc.max_length = '-1' and st.name in ('char','decimal','nvarchar','varchar')
then
'alter table [' + so.name + '] alter column [' + sc.name + '] ' + st.name + '(MAX) NULL'
when st.name in ('char','decimal','n...
How do I generate a stream from a string?
...while a string is composed of characters. It is crucial to understand that converting a character to one or more bytes (or to a Stream as in this case) always uses (or assumes) a particular encoding. This answer, while correct in some cases, uses the Default encoding, and may not be suitable in gene...
How to print out more than 20 items (documents) in MongoDB's shell?
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The tojson() was exactly what I was looking for to convert it from DBQuery thank you!
– Mark Pieszak - Trilon.io
Oct 26 '15 at 17:10
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