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Serializing PHP object to JSON

... do not use this answer, and just use PHP>= 5.4 (or, you know, a recent one) and implement the JsonSerializable interface You would define a function, for instance named getJsonData();, which would return either an array, stdClass object, or some other object with visible parameters rather the...
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How to use a variable inside a regular expression?

...with special characters I'd like to extend my answer: raw strings ('r'): One of the main concepts you have to understand when dealing with special characters in regular expressions is to distinguish between string literals and the regular expression itself. It is very well explained here: In sho...
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Specifying column name in a “references” migration

...ng your Post model table, you can set references, index and foreign_key in one line: t.references :author, index: true, foreign_key: { to_table: :users } Update Existing: If you are adding references to an existing table, you can do this: add_reference :posts, :author, foreign_key: { to_table...
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How to install therubyracer gem on 10.10 Yosemite?

... git clone https://github.com/cowboyd/libv8.git cd libv8 bundle install bundle exec rake clean build binary gem install pkg/libv8-3.16.14.3-x86_64-darwin-12.gem #note that libv8 version may change, so tab through files in pkg/, also...
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How to create a Custom Dialog box in android?

...w CustomDialogClass(Values.this); cdd.show(); Updates After a long time one of my friends asked me to make a curved shape dialog with a transparent background. So, Here I have implemented it. To Make a curved shape you need to create a separate curve_shap.XML as below, <shape xmlns:android="h...
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Modifying a subset of rows in a pandas dataframe

... on the underlying numpy behavior. I've found that accessing everything in one operation (rather than [one][two]) is more likely to work for setting. share | improve this answer | ...
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Is there any WinSCP equivalent for linux? [closed]

...It is also widely supported on virtually every OS. Also, since the OP mentioned SSHFS in his question, it's clear his environment supports SFTP. One small note: the SCP protocol is faster than SFTP, but SFTP is better in almost every other respect. – William Brendel ...
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Check if $_POST exists

... Everyone is saying to use isset() - which will probably work for you. However, it's important that you understand the difference between $_POST['x'] = NULL; and $_POST['x'] = ''; isset($_POST['x']) will return false on the fir...
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Find a value in an array of objects in Javascript [duplicate]

I know similar questions have been asked before, but this one is a little different. I have an array of unnamed objects, which contain an array of named objects, and I need to get the object where "name" is "string 1". Here is an example array. ...
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How do I delete a Git branch locally and remotely?

... <branch_name> Delete Local Branch To delete the local branch use one of the following: $ git branch -d branch_name $ git branch -D branch_name Note: The -d option is an alias for --delete, which only deletes the branch if it has already been fully merged in its upstream branch. You coul...