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How can I pass data from Flask to JavaScript in a template?
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You can also use for loops, if statements and many more, see the Jinja2 documentation for more.
Also, have a look at Ford's answer who points out the tojson filter which is an addition to Jinja2's standard set of filters.
Edit Nov 2018: tojson is now included in Jinja2's standard set of filte...
Post-install script with Python setuptools
...n even call shell commands during installation, like in this example which does pre-installation preparation:
from setuptools import setup
from setuptools.command.develop import develop
from setuptools.command.install import install
from subprocess import check_call
class PreDevelopCommand(develo...
How to get the name of enumeration value in Swift?
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Great Swift-specific answer; however, if you need to do this on a non-swift enum, such as to print the (Objective C) CLAuthorizationStatus enum's value inside your locationManager didChangeAuthorizationStatus delegate callback, you'd need to define a protocol extension. For ex...
Make outer div be automatically the same height as its floating content
...t the outer div , which is black to wrap its div s floating within it. I dont want to use style='height: 200px in the div with the outerdiv id as I want it to be automatically the height of its content (eg, the floating div s).
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Develop Android app using C#
...se Mono for Android:
http://xamarin.com/monoforandroid
An alternative is dot42:
http://www.dot42.com/
dot42 provides a free community licence as well as a professional licence for $399.
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How to make exe files from a node.js app?
...n't used any of them but in theory they should work:
Iexpress (native windows tool)
Quick Batch File Compiler (commercial)
BoxedApp Packer
"Advanced" Batch To EXE Converter" (freeware)
Most will require you to keep the batch file as main executable, and then bundle node.exe and your scripts.
De...
Checking for a null int value from a Java ResultSet
... In which case your test is completely redundant.
If you actually want to do something different if the field value is NULL, I suggest:
int iVal = 0;
ResultSet rs = magicallyAppearingStmt.executeQuery(query);
if (rs.next()) {
iVal = rs.getInt("ID_PARENT");
if (rs.wasNull()) {
// ha...
Status bar won't disappear
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How to do this globally?
– jjxtra
Aug 25 '13 at 19:44
16
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The developers of this app have not set up this app properly for Facebook Login?
I'm trying to make login with Facebook available in my script. I've done everything, but when I attempt to login with a Facebook account I get this error from Facebook:
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How to create directories recursively in ruby?
I want to store a file as /a/b/c/d.txt, but I do not know if any of these directories exist and need to recursively create them if necessary.
How can one do this in ruby?
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