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Read file data without saving it in Flask
I am writing my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always.
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Does a break statement break from a switch/select?
..., it must be that of an enclosing "for", "switch"
or "select" statement, and that is the one whose execution terminates
(§For statements, §Switch statements, §Select statements).
L:
for i < n {
switch i {
case 5:
break L
}
}
Therefore, the break statemen...
Failed to load c++ bson extension
...l (on a mac)
or sudo apt-get install gcc make build-essential (on ubuntu)
and run
rm -rf node_modules
npm cache clean
npm install
OR just npm update based on @tobias comment (after installing build-essential)
npm update
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/bin/sh: pushd: not found
... POSIX-specified Bourne Shell. pushd cannot be easily implemented as a command, because the current working directory is a feature of a process that cannot be changed by child processes. (A hypothetical pushd command might do the chdir(2) call and then start a new shell, but ... it wouldn't be very ...
How to do math in a Django template?
... Jun 8 '11 at 21:19
Daniel RosemanDaniel Roseman
521k5151 gold badges699699 silver badges746746 bronze badges
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How to export JavaScript array info to csv (on client side)?
... this nature but I need to do this using JavaScript. I am using Dojo 1.8 and have all the attribute info in array, which looks like this:
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jQuery - get a list of values of an attribute from elements of a class
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@MandeepJain: How does one mark an answer as 'correct'? This one may not have been marked as 'accepted', but over 100 people have voted it 'useful', and that's good enough for me!
– Michael Scheper
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javascript node.js next()
...samples here:
http://blog.mixu.net/2011/02/02/essential-node-js-patterns-and-snippets/
Let's look at the example you posted:
function loadUser(req, res, next) {
if (req.session.user_id) {
User.findById(req.session.user_id, function(user) {
if (user) {
req.currentUser = user;...
How to log SQL statements in Grails
...ssible. I want this as well as it's annoying for debugging certain classes and not wanting to see other queries as well.
– Guus
Oct 23 '15 at 16:22
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Get all related Django model objects
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It doesn't show ManyToMany connections and was deprecated. In Django 1.8+ it's recommended to be replaced with _meta.get_fields(): docs.djangoproject.com/en/1.10/ref/models/meta/… (see reverse in the _get_fields() source also)
– int_ua
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