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Laravel Check If Related Model Exists
...method calls through to an Eloquent query Builder, which is set up to only select the related objects. That Builder in turn passes unknown method calls through to its underlying query Builder.
This means you can use the exists() or count() methods directly from a relation object:
$model->relati...
How do I drop a MongoDB database from the command line?
...
Start MongoDB
Command for Database drop is :
1. first select the database which you want to delete
use < database name >
2. Then use this..
db.dropDatabase()
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How can I list all the deleted files in a Git repository?
... for me in PowerShell:
git log --find-renames --diff-filter=D --summary | Select-String -Pattern "delete mode" | sort -u > deletions.txt
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Maximum length of HTTP GET request
... you want to perform a very long query involving a bunch of ids; if you're selecting on hundreds of ids, that can breach the limit of the allowable URL size, whereas putting that query in a POST can avoid that, even if it doesn't make as much sense conceptually. Personally, I wish HTTP allowed GET r...
“Content is not allowed in prolog” when parsing perfectly valid XML on GAE
...xed by saving the file in notpad++ with Encoding(Tab) > Encode in UTF-8:selected (was Encode in UTF-8-BOM)
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How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
...t; Properties -> Java Compiler Enable project specific settings. Then select Compiler Compliance Level to 1.7, 1.6 or 1.5, build and test your app.
– Vivek Kumar Ray
Aug 16 '13 at 9:55
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Changed GitHub password, no longer able to push back to the remote
...dentials
Under Generic Credentials you will find your git Url, expand the selection and click on edit.
Once edited just trigger a git push again and it should work.
Source of information :- Remove credentials from Git
sha...
What is the difference between sed and awk? [closed]
...of awk including mawk and nawk.
Both programs use regular expressions for selecting and processing text.
I would tend to use sed where there are patterns in the text. For example, you could replace all the negative numbers in some text that are in the form "minus-sign followed by a sequence of dig...
How to customize the background color of a UITableViewCell?
...override state-based properties set
earlier by the table view, such as
selection and background color. After
the delegate returns, the table view
sets only the alpha and frame
properties, and then only when
animating rows as they slide in or
out."
I've found this information in this ...
YAML mime type?
...here is no default value. Finally, the "UTF-8" charset [RFC3629] SHOULD be selected as the default.. There is no formal definition of text/yaml nor text/x-yaml, so the default is UTF-8.
– aef
May 6 '16 at 10:04
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