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What exactly do the Vagrant commands do?
..., when you execute vagrant ssh to ssh into VM. It is utilizing it's well known ssh key. The information on this key is provided by vagrant ssh-config. This is useful in case you want to change the well know key to your own private key and prepare boxes to use that.
Also some times, you may want t...
How to compile and run C/C++ in a Unix console/Mac terminal?
...see the other folders, input.cpp and output.bin
From inside the directory, now execute it with ./outbut.bin
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...ll try to launch adb logcat and select the library path automatically. For now, you'll have to do these steps manually.
As of now, ndk-stack doesn't handle libraries that don't have debug information in them. It may be useful to try to detect the nearest function entry point to a given PC address (...
How can I display just a portion of an image in HTML/CSS?
...tedly – I'm editing to show the use of clip-path, which has replaced the now-deprecated clip property.
The clip-path property allows a range of options (more-so than the original clip), of:
inset — rectangular/cuboid shapes, defined with four values as 'distance-from' (top right bottom left)....
Selecting only numeric columns from a data frame
...de
## nums <- sapply(x, is.numeric)
For a more idiomatic modern R I'd now recommend
x[ , purrr::map_lgl(x, is.numeric)]
Less codey, less reflecting R's particular quirks, and more straightforward, and robust to use on database-back-ended tibbles:
dplyr::select_if(x, is.numeric)
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Windows: XAMPP vs WampServer vs EasyPHP vs alternative [closed]
... package like those you're talking about.
It's a bit more work, yes; but knowing how to install and configure your environment is great -- and useful.
The first time, you'll need maybe half a day or a day to configure those. But, at least, you'll know how to do so.
And the next times, things will...
How to work around the lack of transactions in MongoDB?
I know there are similar questions here but they are either telling me to switch back to regular RDBMS systems if I need transactions or use atomic operations or two-phase commit . The second solution seems the best choice. The third I don't wish to follow because it seems that many things coul...
CSS: how do I create a gap between rows in a table?
...separate, not border collapse, using the border separation to define, you know, the border separation.
– John Haugeland
May 29 '13 at 17:08
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Detect if the app was launched/opened from a push notification
Is it possible to know if the app was launched/opened from a push notification?
26 Answers
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simple HTTP server in Java using only Java SE API
...trary to what some developers think, absolutely not forbidden by the well known FAQ Why Developers Should Not Write Programs That Call 'sun' Packages. That FAQ concerns the sun.* package (such as sun.misc.BASE64Encoder) for internal usage by the Oracle JRE (which would thus kill your application whe...