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PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)
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As I know, PDO_MYSQLND replaced PDO_MYSQL in PHP 5.3. Confusing part is that name is still PDO_MYSQL. So now ND is default driver for MySQL+PDO.
Overall, to execute multiple queries at once you need:
PHP 5.3+
mysqlnd
Emulated prepared statements. Make sure PDO::ATTR_EMULATE_...
MongoDB not equal to
...y"})
db.test.find({'post': {$ne : ""}})
{ "_id" : ObjectId("4f68b1a7768972d396fe2268"), "author" : "you", "post" : "how to query" }
And now $not, which takes in predicate ($ne) and negates it ($not):
db.test.find({'post': {$not: {$ne : ""}}})
{ "_id" : ObjectId("4f68b19c768972d396fe2267"), "autho...
Html.Textbox VS Html.TextboxFor
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edited Sep 3 '14 at 9:21
answered May 6 '11 at 8:15
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How do I update a Python package?
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edited Mar 22 '17 at 22:38
MasterHolbytla
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answered ...
get list of pandas dataframe columns based on data type
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320
If you want a list of columns of a certain type, you can use groupby:
>>> df = pd.Da...
Replacing some characters in a string with another character
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340
echo "$string" | tr xyz _
would replace each occurrence of x, y, or z with _, giving A__BC__...
How do android screen coordinates work?
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3 Answers
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Can git operate in “silent mode”?
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