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Creating multiline strings in JavaScript
...ing value of a string literal is to use an escape sequence such as \n or \u000A."
– some
Sep 25 '12 at 2:28
17
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Django - limiting query results
...ler())
In [23]: User.objects.all().order_by('-id')[:10]
(0.000) SELECT "auth_user"."id", "auth_user"."username", "auth_user"."first_name", "auth_user"."last_name", "auth_user"."email", "auth_user"."password", "auth_user"."is_staff", "auth_user"."is_active", "auth_user"."is_superuser"...
How does a public key verify a signature?
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How to increase space between dotted border dots
...add a border to this hr is something like
hr {border-bottom: 1px dotted #000;}
But if you want to take control of the border and, for example increase, the space between dots, you may try something like this:
hr {
height:14px; /* specify a height for this hr */
overflow:hidden;
}
And in the f...
Select random row from a sqlite table
... .timer on
sqlite> select count(*) from payment;
16049
Run Time: real 0.000 user 0.000140 sys 0.000117
sqlite> select payment_id from payment limit 1 offset abs(random()) % (select count(*) from payment);
14746
Run Time: real 0.002 user 0.000899 sys 0.000132
sqlite> select payment_id from ...
How to increase the gap between text and underlining in CSS
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No, but you could go with something like border-bottom: 1px solid #000 and padding-bottom: 3px.
If you want the same color of the "underline" (which in my example is a border), you just leave out the color declaration, i.e. border-bottom-width: 1px and border-bottom-style: solid.
For multi...
Hex representation of a color with alpha channel?
...reprocessor like SASS then you can pass an hex to rgba:
background:
rgba(#000, 0.5);
And the preprocessor just converts the hex code to rgb automatically.
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How to start nginx via different port(other than 80)
... change the VirtualHost statement in
sudo subl /etc/apache2/sites-enabled/000-default.conf
and change the 80 on the following line to something different :
<VirtualHost *:80>
then restart by :
sudo service apache2 restart
Nginx
Edit
/etc/nginx/sites-enabled/default
and change t...
What is the reason not to use select *?
...s up quicker.
Network overhead. Related to memory overhead: if I issue 30,000 queries and have 8 unnecessary INTEGER columns, I've wasted 960kB of bandwidth. VARCHAR and TEXT columns are likely to be considerably larger.
Note: I chose INTEGER in the above example because they have a fixed size o...
Is BCrypt a good hashing algorithm to use in C#? Where can I find it? [closed]
...ven to be implemented without error. The cost of this can easily reach $20,000 or higher. I recall this when I was doing research on OpenSSL and read where they stated they haven't completed the entire verification process but if you need fully verified that they can point you down the right path fo...