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How do I pass JavaScript variables to PHP?
...;?php
$query = "SELECT * FROM salarie";
$result = mysql_query($query);
if ($result) :
?>
<select id="salarieids" name="salarieid">
<?php
while ($row = mysql_fetch_assoc($result)) {
echo '<option value="'...
Best practices for exception management in Java or C# [closed]
I'm stuck deciding how to handle exceptions in my application.
15 Answers
15
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LINQ to Entities case sensitive comparison
...ase sensitivity is at the mercy of your SQL Server which by default has SQL_Latin1_General_CP1_CI_AS Collation and that is NOT case sensitive.
Using ObjectQuery.ToTraceString to see the generated SQL query that has been actually submitted to SQL Server reveals the mystery:
string sqlQuery = ((Object...
Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
... (with corresponding RX flashes on the board) right before the avrdude: ser_recv(): programmer is not responding error.
The trick is to hit the reset button on the board immediately before these three packets are sent. Then the program will be uploaded successfully.
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How to import classes defined in __init__.py
...
'lib/'s parent directory must be in sys.path.
Your 'lib/__init__.py' might look like this:
from . import settings # or just 'import settings' on old Python versions
class Helper(object):
pass
Then the following example should work:
from lib.settings import Values
from l...
is node.js' console.log asynchronous?
...ed, I've added some comments to explain things:
.... code here...
process.__defineGetter__('stdout', function() {
if (stdout) return stdout; // only initialize it once
/// many requires here ...
if (binding.isatty(fd)) { // a terminal?...
How to add to the PYTHONPATH in Windows, so it finds my modules/packages?
I have a directory which hosts all of my Django apps ( C:\My_Projects ). I want to add this directory to my PYTHONPATH so I can call the apps directly.
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Unresolved specs during Gem::Specification.reset:
...t turned out to be a missing line in the gemspec file:
$:.push File.expand_path("../lib", __FILE__)
This line is normally at the top of the file (in many of the gems I have recently been working in) and I had commented it out to see why.
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Pandas - Get first row value of a given column
...
To select the ith row, use iloc:
In [31]: df_test.iloc[0]
Out[31]:
ATime 1.2
X 2.0
Y 15.0
Z 2.0
Btime 1.2
C 12.0
D 25.0
E 12.0
Name: 0, dtype: float64
To select the ith value in the Btime column you could use:
In ...
jQuery scroll() detect when user stops scrolling
...{
$('#scrollMsg').html('DONE!');
}));
The second parameter is the "at_begin" flag. Here I've shown how to execute code both at "scroll start" and "scroll finish".
Using Lodash
As suggested by Barry P, jsFiddle, underscore or lodash also have a debounce, each with slightly different apis.
$(...