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What is the difference between Non-Repeatable Read and Phantom Read?
...and detailed examples for this):
A non-repeatable read occurs, when during the course of a transaction, a row is retrieved twice and the values within the row differ between reads.
and
A phantom read occurs when, in the course of a transaction, two identical queries are executed, and the c...
Jquery selector input[type=text]')
I wrote a code that basically selects all input type=text element like this:
4 Answers
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How to open a file for both reading and writing?
Is there a way to open a file for both reading and writing?
4 Answers
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How to post JSON to PHP with curl
I may be way off base, but I've been trying all afternoon to run the curl post command in this recess PHP framework tutorial. What I don't understand is how is PHP supposed to interpret my POST, it always comes up as an empty array.
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console.writeline and System.out.println
What exactly is the technical difference between console.writeline and System.out.println ?
I know that System.out.println writes to standard output but is this not the same thing as the console?
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Cannot kill Python script with Ctrl-C
I am testing Python threading with the following script:
4 Answers
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Using CSS how to change only the 2nd column of a table
Using css only, how can I override the css of only the 2nd column of a table.
5 Answers
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Is there a way to specify an “empty” C# lambda expression?
I'd like to declare an "empty" lambda expression that does, well, nothing.
Is there a way to do something like this without needing the DoNothing() method?
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warning: implicit declaration of function
My compiler (GCC) is giving me the warning:
7 Answers
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How to subtract a day from a date?
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in python 3 is just: import datetime and then d = datetime.today() - datetime.timedelta(days=days_to_subtract)
– Alex
Feb 16 '18 at 15:30
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