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Quickly reading very large tables as dataframes
...s a dataframes in R. read.table() has a lot of convenient features, but it seems like there is a lot of logic in the implementation that would slow things down. In my case, I am assuming I know the types of the columns ahead of time, the table does not contain any column headers or row names, an...
Can a constructor in Java be private?
...ign anti-pattern, which I would advise against you using. Another, more legitimate use, is in delegating constructors; you can have one constructor that takes lots of different options that is really an implementation detail, so you make it private, but then your remaining constructors delegate to i...
Android View shadow
...this:
android:background="@drawable/abc_menu_dropdown_panel_holo_light"
It looks like this:
Hope it will be helpful
Edit
The option above is for the older versions of Android Studio so you may not find it. For newer versions:
android:background="@android:drawable/dialog_holo_light_frame"
...
Difference between 'struct' and 'typedef struct' in C++?
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In C++, there is only a subtle difference. It's a holdover from C, in which it makes a difference.
The C language standard (C89 §3.1.2.3, C99 §6.2.3, and C11 §6.2.3) mandates separate namespaces for different categories of identifiers, including tag identifiers (f...
Can't connect to localhost on SQL Server Express 2012 / 2016
... to localhost. I tried localhost\SQLExpress and Windows authentication but it gives me an error message saying cannot connect. Am I missing something here? I've used SQL Server 2008 before and I've never had issues connecting to localhost. It seems that it can't even find it. Also in the Services I ...
How to get an IFrame to be responsive in iOS Safari?
... problem is that when you have to use IFrames to insert content into a website, then in the modern web-world it is expected that the IFrame would be responsive as well. In theory it's simple, simply aider use <iframe width="100%"></iframe> or set the CSS width to iframe { width: 100%;...
Where is the Keytool application?
...control in android and I can't seem to understand how to run keytool .
Is it installed with eclipse? I can't seem to find a download link.
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Is there a way to make HTML5 video fullscreen?
...screen specification supplies the requestFullScreen method which allows arbitrary elements (including <video> elements) to be made fullscreen.
It has experimental support in a number of browsers.
Original answer:
From the HTML5 spec (at the time of writing: June '09):
User agents shou...
How do you specify that a class property is an integer?
I'm experimenting with TypeScript, and in the process of creating a class with an "ID" field that should be an integer, I have gotten a little confused.
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Can anyone explain what JSONP is, in layman terms? [duplicate]
I know JSONP is JSON with padding.
4 Answers
4
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