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How to get config parameters in Symfony2 Twig Templates
...onfig/config.yml
twig:
globals:
ga_tracking: "%ga_tracking%"
Now, the variable ga_tracking is available in all Twig templates:
<p>The google tracking code is: {{ ga_tracking }}</p>
The parameter is also available inside the controllers:
$this->container->getParame...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...same and when they are of the same length (as explained in the third rule)
Now it becomes interesting:
var a = "12" + "3";
var b = "123";
alert(a === b); // returns true, because strings behave like value types
But how about this?:
var a = new String("123");
var b = "123";
alert(a === b); // retu...
Regular expression to match numbers with or without commas and decimals in text
...decimal part
#Pass: (1), (0.1)
#Fail: (1.00), (0.1000)
^\d+(\.\d*[1-9])?$
Now that that's out of the way, most of the following is meant as commentary on how complex regex can get if you try to be clever with it, and why you should seek alternatives. Read at your own risk.
This is a very common ta...
Is a Java hashmap search really O(1)?
...hm! We can generalzie this to
pcollision x k = (n / capacity)k
And now we can disregard some arbitrary number of collisions and end up with vanishingly tiny likelihood of more collisions than we are accounting for. You could get the probability to an arbitrarily tiny level by choosing the c...
What is “(program)” in Chrome debugger’s profiler?
... @hvgotcodes - It sound be the percentage of all portions below. Now if the self percentage is high, there's not much you can do....unless your markup in general is very heavy.
– Nick Craver♦
Oct 3 '10 at 0:09
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File path to resource in our war/WEB-INF folder?
...he FAQs that you can read a file from there in a servlet context. I don't know how to form the path to the resource though:
...
Using the scrollwheel in GNU screen
...
Yes, I know about scrollback mode. I was hoping that I would not have to manually enter scrollback mode in order to use the mouse. Thanks.
– JesperE
Jan 24 '09 at 20:34
...
Play audio with Python
... files. I think you have a larger problem that likely needs some detailed knowledge of your platform.
– TML
Nov 19 '19 at 18:16
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SQL Server ':setvar' Error
...TABASE [$DatabaseName] it was simply CREATE DATABASE MYDBNAME. This script now works to create my database via executenonquery() during my first application startup after install.
– Scott
Jul 19 '16 at 20:56
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How to create index in Entity Framework 6.2 with code first
...via Fluent API. Ho it is to use was already announced in the beta of 6.2.
Now you can use the HasIndex() method, followed by IsUnique() if it should be an unique index.
Just a small comparison (before/after) example:
// before
modelBuilder.Entity<Person>()
.Property(e => e.Name...