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Ruby on Rails - Import Data from a CSV file
...wever I have a beginner-level question - when I tried to browse described methods in Ruby and Rails API documentation I was unable to find them on place (I looked on official Ruby and Rails sites, API docs). E.g. I couldn't find what object returns CSV.parse(), I didn't find to_hash() and with_i...
How do I force files to open in the browser instead of downloading (PDF)?
...headers:
Content-Type: application/pdf
Content-Disposition: inline; filename="filename.pdf"
To have the file downloaded rather than viewed:
Content-Type: application/pdf
Content-Disposition: attachment; filename="filename.pdf"
The quotes around the filename are required if the filename contain...
Check if application is on its first run [duplicate]
I am new to android development and and I want to setup some of application's attributes based on Application first run after installation. Is there any way to find that the application is running for the first time and then to setup its first run attributes?
...
How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)
...ly be converted to - in the resulting markup:
<input type="checkbox" name="MyModel.MyBoolProperty" data-externalid="23521" class="myCheckBox" />
And that's true for all Html helpers taking a htmlAttributes anonymous object as argument, not only the CheckBoxFor helper.
...
Using ZXing to create an Android barcode scanning app [duplicate]
...des a standalone barcode reader application which — via Android's intent mechanism — can be called by other applications who wish to integrate barcode scanning.
The easiest way to do this is to call the ZXing SCAN Intent from your application, like this:
public Button.OnClickListener mScan = n...
constant pointer vs pointer on a constant value [duplicate]
...
char * const a;
means that the pointer is constant and immutable but the pointed data is not.
You could use const_cast(in C++) or c-style cast to cast away the constness in this case as data itself is not constant.
const char * a;
means t...
Modify Address Bar URL in AJAX App to Match Current State
...e page, and use the browser history to navigate between states.
With this mechanism in place, you'll then need to parse out the hash portion of the URL on the client side using JavaScript to create and display the appropriate initial state, as fragment identifiers (the part after the #) are not sen...
Input type=password, don't let browser remember the password
I remember seeing a way to have an <input type="password" /> such that the browser will not prompt the user to save the password. But I'm drawing a blank. Is there an HTML attribute or some JavaScript trick that will do this?
...
Return anonymous type results?
...s DogWithBreed
{
public Dog Dog { get; set; }
public string BreedName { get; set; }
}
public IQueryable<DogWithBreed> GetDogsWithBreedNames()
{
var db = new DogDataContext(ConnectString);
var result = from d in db.Dogs
join b in db.Breeds on d.BreedId equals ...
Possible Loss of Fraction
Forgive me if this is a naïve question, however I am at a loss today.
5 Answers
5
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