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What is a postback?
I'm making my way into web development and have seen the word postback thrown around. Coming from a non-web based background, what does a new web developer have to know about postbacks? (i.e. what are they and when do they arise?)
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Saving and loading objects and using pickle
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As for your second problem:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python31\lib\pickle.py", line
1365, in load encoding=encoding,
errors=errors).load() EOFError
After y...
How to convert date to timestamp in PHP?
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This method works on both Windows and Unix and is time-zone aware, which is probably what you want if you work with dates.
If you don't care about timezone, or want to use the time zone your server uses:
$d = DateTime::createFromFormat(...
What does cmd /C mean? [closed]
... but not cmd /c . I was trying to invoke a java program from the current for which I use Runtime.getRuntime().exec("cmd /C java helloworld"); There arises my doubt.
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What's the regular expression that matches a square bracket?
...all possibilities, but haven't found the right one. What is a valid regex for this?
8 Answers
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python ? (conditional/ternary) operator for assignments [duplicate]
C and many other languages have a conditional (aka ternary) operator. This allows you to make very terse choices between two values based on the truth of a condition, which makes expressions, including assignments, very concise.
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How to switch databases in psql?
... use the \connect meta-command of the client tool psql:
\connect DBNAME
or in short:
\c DBNAME
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Get boolean from database using Android and SQLite
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It is:
boolean value = cursor.getInt(boolean_column_index) > 0;
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What are my environment variables? [closed]
I would like to find out my environment variables in bash. Are they stored somewhere?
4 Answers
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Python constructor and default value [duplicate]
Somehow, in the Node class below, the wordList and adjacencyList variable is shared between all instances of Node.
4 An...