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Adding a parameter to the URL with JavaScript
In a web application that makes use of AJAX calls, I need to submit a request but add a parameter to the end of the URL, for example:
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Importance of varchar length in MySQL table
...) which is generally much bigger than I need. Is there a big performance hit in giving a varchar field much more length than necessary?
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Call a stored procedure with parameter in c#
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It's pretty much the same as running a query. In your original code you are creating a command object, putting it in the cmd variable, and never use it. Here, however, you will use that instead of da.InsertCommand.
Also, use...
Doctrine - How to print out the real sql, not just the prepared statement?
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Doctrine is not sending a "real SQL query" to the database server : it is actually using prepared statements, which means :
Sending the statement, for it to be prepared (this is what is returned by $query->getSql())
And, then, sending the parameters (returned by $query->getParameters(...
Expansion of variables inside single quotes in a command in Bash
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Inside single quotes everything is preserved literally, without exception.
That means you have to close the quotes, insert something, and then re-enter again.
'before'"$variable"'after'
'before'"'"'after'
'before'\''after'
Word concatenation is simply done by juxtapo...
Read only the first line of a file?
How would you get only the first line of a file as a string with Python?
8 Answers
8
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possible EventEmitter memory leak detected
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This is explained in the node eventEmitter documentation
What version of Node is this? What other code do you have? That isn't normal behavior.
In short, its: process.setMaxListeners(0);
Also see: node.js - request - How to “emitter.setMaxListeners()”?
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node.js global variables?
I asked here:
node.js require inheritance?
6 Answers
6
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Android. Fragment getActivity() sometimes returns null
In developer console error reports sometimes I see reports with NPE issue. I do not understand what is wrong with my code. On emulator and my device application works good without forcecloses, however some users get NullPointerException in fragment class when the getActivity() method is called.
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Single quotes vs. double quotes in Python [closed]
... or if I forget. I use triple double quotes for docstrings and raw string literals for regular expressions even if they aren't needed.
For example:
LIGHT_MESSAGES = {
'English': "There are %(number_of_lights)s lights.",
'Pirate': "Arr! Thar be %(number_of_lights)s lights."
}
def lights_m...