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How do I check if a file exists in Java?
...File(filePathString);
if(f.exists() && !f.isDirectory()) {
// do something
}
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How do I load the contents of a text file into a javascript variable?
... and I'd like to load it into a variable in javascript.. in groovy I would do this:
9 Answers
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How can I suppress all output from a command using Bash?
...pt that runs a program with parameters. That program outputs some status (doing this, doing that...). There isn't any option for this program to be quiet. How can I prevent the script from displaying anything?
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Using Rails 3.1, where do you put your “page specific” JavaScript code?
To my understanding, all of your JavaScript gets merged into 1 file. Rails does this by default when it adds //= require_tree . to the bottom of your application.js manifest file.
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How to do two-way filtering in AngularJS?
One of the interesting things AngularJS can do is apply a filter to a particular databinding expression, which is a convenient way to apply, for example, culture-specific currency or date formatting of a model's properties. It is also nice to have computed properties on the scope. The problem is tha...
Error handling with node.js streams
... to manipulate the data as it is piped through the stream. You may want to do some async calls, for example, or derive a couple of fields, remap some things, etc.
For how to create a transform stream see here and here. All you have to do is :
include the stream module
instantiate ( or inh...
How should I unit test threaded code?
...
Look, there's no easy way to do this. I'm working on a project that is inherently multithreaded. Events come in from the operating system and I have to process them concurrently.
The simplest way to deal with testing complex, multithreaded applicati...
Determine whether JSON is a JSONObject or JSONArray
... but I have no idea which it will be. I need to work with the JSON, but to do so, I need to know if it is an Object or an Array.
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How do I disable form fields using CSS?
...swered Jun 10 '15 at 10:09
Fereydoon BarikzehyFereydoon Barikzehy
3,0153030 silver badges3737 bronze badges
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How do I lowercase a string in Python?
...ower() - For example:
s = "Kilometer"
print(s.lower())
The official 2.x documentation is here: str.lower()
The official 3.x documentation is here: str.lower()
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