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Bash if [ false ] ; returns true
...nfusing, these variations on the IF/THEN conditional both work, but return opposite results.
These return false:
if [ $foo ]; then echo "true"; else echo "false"; fi
if [ ! foo ]; then echo "true"; else echo "false"; fi
However, these will return a result of true:
if $foo; then echo "true"; else ec...
What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]
...Well, unless you want wrong answers.
Source: http://forums.mysql.com/read.php?103,187048,188748#msg-188748
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Django. Override save for model
...or 'image' in form.changed_data. This assumes that you're using the admin site to update your images. You'll also have to override the default save_model method as indicated below.
class ModelAdmin(admin.ModelAdmin):
def save_model(self, request, obj, form, change):
obj.save(form=form...
What tools to automatically inline CSS style to create email HTML code? [closed]
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If you'd like to have a PHP solution, you can try CssToInlineStyles.
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IIS7: HTTP->HTTPS Cleanly
...e a clean way to redirect all attempts to going to an HTTP:// version of a site to its HTTPS:// equivalent?
6 Answers
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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
...ts are computed before that function starts running.
In Haskell, it's the opposite. The function starts running first. The arguments are only computed when the function actually uses them. And a compound argument, like a list, is computed one piece at a time, as each piece of it is used.
So the fi...
How does comparison operator works with null int?
... not to
assume that because a particular comparison returns false, the
opposite case returns true. In the following example, 10 is not
greater than, less than, nor equal to null. Only num1 != num2
evaluates to true.
int? num1 = 10;
int? num2 = null;
if (num1 >= num2)
{
Console.Write...
Determine a user's timezone
....
To put this into hours, divide by 60. Also, notice that the sign is the opposite of what you need - it's calculating GMT's offset from your time zone, not your time zone's offset from GMT. To fix this, simply multiply by -1.
Also note that w3school says:
The returned value is not a constant...
Are HTML Image Maps still used?
... and running.
http://dmitrybaranovskiy.github.io/raphael/
From their web site:
Raphaël ['ræfeɪəl] uses the SVG W3C Recommendation and VML as a base
for creating graphics. This means every graphical object you create is
also a DOM object, so you can attach JavaScript event handlers or
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Using pip behind a proxy with CNTLM
... adding your corporation's root certificate to the cacert.pem file in your site-packages/pip folder. Then configure pip to use your proxy by adding the following lines to ~/pip/pip.conf (or ~\pip\pip.ini if you're on Windows):
[global]
proxy = [user:passwd@]proxy.server:port
That's it. No need to...