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The name does not exist in the namespace error in XAML
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When you are writing your wpf code and VS tell that "The name ABCDE does not exist in the namespace clr-namespace:ABC". But you can totally build your project successfully, there is only a small inconvenience because you can not see the UI ...
Get Specific Columns Using “With()” Function in Laravel Eloquent
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Well I found the solution. It can be done one by passing a closure function in with() as second index of array like
Post::with(array('user'=>function($query){
$query->select('id','username');
}))->get();
It will only select id...
How to get .pem file from .key and .crt files?
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Your keys may already be in PEM format, but just named with .crt or .key.
If the file's content begins with -----BEGIN and you can read it in a text editor:
The file uses base64, which is readable in ASCII, not binary format. The certificate is already in PEM format. Just change...
PHP Regex to check date is in YYYY-MM-DD format
...follow
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edited Jun 26 '17 at 9:32
Gregoire
3,54733 gold badges2222 silver badges3636 bronze badges
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HTML colspan in CSS
...ty of solutions that include a bevy of alternatives, including absolute positioning, sizing, along with a similar variety of browser- and circumstance-specific caveats. Read, and make the best informed decision you can based on what you find.
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Returning IEnumerable vs. IQueryable
...xecuted in the database, if possible.
For the IEnumerable<T> case, it will be LINQ-to-object, meaning that all objects matching the original query will have to be loaded into memory from the database.
In code:
IQueryable<Customer> custs = ...;
// Later on...
var goldCustomers = custs...
How to set an environment variable only for the duration of the script?
On Linux (Ubuntu 11.04) in bash, is it possible to temporarily set an environment variable that will only be different from the normal variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the pre...
#define macro for debug printing in C?
... do { if (DEBUG) fprintf(stderr, fmt, __VA_ARGS__); } while (0)
It assumes you are using C99 (the variable argument list notation is not supported in earlier versions). The do { ... } while (0) idiom ensures that the code acts like a statement (function call). The unconditional use of t...
How to apply shell command to each line of a command output?
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It's probably easiest to use xargs. In your case:
ls -1 | xargs -L1 echo
The -L flag ensures the input is read properly. From the man page of xargs:
-L number
Call utility for every number non-empty lines read.
A...
How do I read from parameters.yml in a controller in symfony2?
...tainer->getParameter('api_user');
This documentation chapter explains it.
While $this->get() method in a controller will load a service (doc)
In Symfony 2.7 and newer versions, to get a parameter in a controller you can use the following:
$this->getParameter('api_user');
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