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check if jquery has been loaded, then load it if false
...
Avoid using "if (!jQuery)" since IE will return the error: jQuery is 'undefined'
Instead use: if (typeof jQuery == 'undefined')
<script type="text/javascript">
if (typeof jQuery == 'undefined') {
var script = document.createElement('script');
script.type = "tex...
Why is “import *” bad?
...ity).
Because you can't use cool tools like pyflakes to statically detect errors in your code.
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SqlDataAdapter vs SqlDataReader
... the connection open with the SQLDataReader. Failure to do this, or proper error handling to close the connection in case of an error in processing the results will CRIPPLE your application with connection leaks.
Pardon my VB, but this is the minimum amount of code you should have when using a SqlD...
JavaScript Nested function
...n foo() {
function bar() {
return 1;
}
}
bar(); // throws error: bar is not defined
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Python exit commands - why so many and when should each be used?
...hout calling the cleanup handlers.
exit(0):
a clean exit without any errors / problems.
exit(1):
There was some issue / error / problem and that is why the program is exiting.
sys.exit():
When the system and python shuts down; it means less memory is being used after the program is...
Open file dialog box in JavaScript
...swer you linked to is not a good solution. This will cause IE to throw an error if you end up submitting the associated form programmatically as well.
– Ray Nicholus
Oct 22 '13 at 21:48
...
What do
...ther than a String:
scala> Foo(123).getStringLength
<console>:9: error: could not find implicit value for parameter evidence: =:=[Int,String]
You can read that error as "could not find evidence that Int == String"... that's as it should be! getStringLength is imposing further restriction...
How to download and save a file from Internet using Java?
... block until at least one byte has been transferred or end of stream or an error occurs. Your claim about the internals of Files.copy() is baseless.
– Marquis of Lorne
Jul 5 '16 at 9:26
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How to send a JSON object over Request with Android?
... e.printStackTrace();
createDialog("Error", "Cannot Estabilish Connection");
}
Looper.loop(); //Loop in the message queue
}
};
t.start();
}
You could also use Google Gson to send and retr...
How to spread django unit tests over multiple files?
...
This is great but I ran into an error where, when running an app level test (python manage.py test appName) the second bit of code would throw an error stating that __path__ was not available. I avoided it by wrapping the second snippet in a if '__path__'...