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Download a file from NodeJS Server using Express
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@RJ. If you have a question, create a new one, don't leave a comment.
– loganfsmyth
Apr 25 '13 at 14:34
7
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C++ new int[0] — will it allocate memory?
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From 5.3.4/7
When the value of the expression in a direct-new-declarator is zero, the allocation function is called to allocate an array with no elements.
From 3.7.3.1/2
The effect of dereferencing a pointer returned as a request for zero size is undefined.
Also
Even if ...
How to completely remove a dialog on close
When an ajax operation fails, I create a new div with the errors and then show it as a dialog. When the dialog is closed I would like to completely destroy and remove the div again. How can I do this? My code looks something like this at the moment:
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jQuery trigger file input
...hen the <input type="file"/> is set to display:none; or is visbilty:hidden.
So i tried positioning it outside the viewport by setting position:absolute and top:-100px; and voilà it works.
see http://jsfiddle.net/DSARd/1/
call it a hack.
Hope that works for you.
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Catch checked change event of a checkbox
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<input type="checkbox" id="something" />
$("#something").click( function(){
if( $(this).is(':checked') ) alert("checked");
});
Edit: Doing this will not catch when the checkbox changes for other reasons than a click, like using the keyboar...
Extract traceback info from an exception object
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Yes, it is meant to be used. From What’s New In Python 3.0 "PEP 3134: Exception objects now store their traceback as the traceback attribute. This means that an exception object now contains all the information pertaining to an exception, and there are fewer reason...
Inspect attached event handlers for any DOM element
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Chrome Dev Tools recently announced some new tools for Monitoring JavaScript Events.
TL;DR
Listen to events of a certain type using monitorEvents().
Use unmonitorEvents() to stop listening.
Get listeners of a DOM element using getEventListeners()....
SQLAlchemy IN clause
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How about
session.query(MyUserClass).filter(MyUserClass.id.in_((123,456))).all()
edit: Without the ORM, it would be
session.execute(
select(
[MyUserTable.c.id, MyUserTable.c.name],
MyUserTable.c.id.in_((123, 456))
)
).fetchall()
select() takes two pa...
How to replace (or strip) an extension from a filename in Python?
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Only put the new name together with os.path.join to look clean.
– Tony Veijalainen
Aug 23 '10 at 17:51
4
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Cannot create or edit Android Virtual Devices (AVD) from Eclipse, ADT 22.6
...Y, THESE BUGS SUBSEQUENTLY FIXED IN FOLLOWING BUILDS
Download and install new ADT v22.6.1 from here (zip) or use SDK manager to update
Seems like some bug from Google side, this problem found after "ADT 22.6" update. Widely reported on "Android Open Source Project - Issue Tracker" and nobody prope...