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How to check the version of GitLab?
...esystem? I.e., a server that no longer boots.
– Christophe De Troyer
Sep 1 '16 at 12:52
6
Find fi...
How to select the row with the maximum value in each group
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The most intuitive method is to use group_by and top_n function in dplyr
group %>% group_by(Subject) %>% top_n(1, pt)
The result you get is
Source: local data frame [3 x 3]
Groups: Subject [3]
Subject pt Event
(dbl) (dbl) (dbl)
1 ...
Node.js: printing to console without a trailing newline?
... would you go back up multiple lines instead of just the current line? The top program seems to be able to override my entire buffer while it's running and restores what was there when it's done. Anyone know how it does this? i.imgur.com/AtCmEjn.gif
– Chev
Feb ...
How can I write text on a HTML5 canvas element?
...="400" height="200" style="border:2px solid #bbb; margin-left:10px; margin-top:10px;"></canvas>
<script>
var canvas = document.getElementById('Canvas01');
var ctx = canvas.getContext('2d');
ctx.fillStyle= "red";
ctx.font = "italic bold 35pt Tahoma";
//syntax : .fillText("t...
Xcode/Simulator: How to run older iOS version?
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Open xcode and in the top menu go to xcode > Preferences > Downloads and you will be given the option to download old sdks to use with xcode. You can also download command line tools and Device Debugging Support.
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The developers of this app have not set up this app properly for Facebook Login?
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Go to https://developers.facebook.com/
Click on the Apps menu on the top bar.
Select the respective app from the drop down.
The circle next to your app name is not fully green. When you hover mouse on it, you'll see a popup saying, "Not available to all users because your app is not l...
How to tell if UIViewController's view is visible
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@Moshe in that case, use topViewController.
– ma11hew28
Jan 24 '14 at 15:58
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How to set tbody height with overflow scroll
...our table in a scrollable element and set the header cells to stick to the top.
The advantage of this approach is that you don't have to change the display on tbody and you can leave it to the browser to calculate column width while keeping the header cell widths in line with the data cell column w...
JSON, REST, SOAP, WSDL, and SOA: How do they all link together
...(which consumes the data), which could be anything. (A web, mobile, or desktop application, or another web-service). The only limitation here is that the front-end and back-end must "speak" the same "language".
That's where SOAP and REST come in.
They are standard ways you'd pick communicate wit...
Cocoa Touch: How To Change UIView's Border Color And Thickness?
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If I do this, and on top of this view I have an animation, like a modal UINavigationController dismissing, I see a lot of glitches happening, it's hard to describe. If I deactivate the borders, everything goes back to normal.
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