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How do I make a list of data frames?
...me.
I didn't put my data in a list :( I will next time, but what can I do now?
If they're an odd assortment (which is unusual), you can simply assign them:
mylist <- list()
mylist[[1]] <- mtcars
mylist[[2]] <- data.frame(a = rnorm(50), b = runif(50))
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If you have data frames named i...
Detect home button press in android
This has been driving me nuts for a while now.
17 Answers
17
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Set Locale programmatically
...his answer, since configuration.locale was deprecated from API 24, you can now use:
configuration.setLocale(locale);
Take in consideration that the minSkdVersion for this method is API 17.
Full example code:
@SuppressWarnings("deprecation")
private void setLocale(Locale locale){
SharedPrefU...
Is there an equivalent of lsusb for OS X
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This should be the accepted answer. Howerver, right now this package is broken because of its dependency usbids, track it over trac.macports.org/ticket/53188
– user5164080
Jan 31 '17 at 12:43
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Efficient way to rotate a list in python
What is the most efficient way to rotate a list in python?
Right now I have something like this:
26 Answers
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Enum String Name from Value
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@AZChad it is a great thing to know, sure; but it doesn't really apply in the OP's scenario, since the values are coming from a database (so: runtime, not compile-time, values)
– Marc Gravell♦
Nov 29 '18 at 12:52
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Do you get charged for a 'stopped' instance on EC2? [closed]
... It seems that we charge a full instance hour part is changed now. Following is from the same EC2 doc you have linked: Each time you start a stopped instance we charge a minimum of one minute for usage. After one minute, we charge only for the seconds you use. For example, if you run a...
Hard reset of a single file
...low command will get MyFile two commits previous to the last one. You need now the -s (--source) option since now you use master~2 and not master (the default) as you restore source:
git restore -s master~2 pathTo/MyFile
You can also get the file from other branch!
git restore -s my-feature-bran...
Exclude a directory from git diff
...o the specs are irrelevant for this procedure, and just create headaches. now I know i can do
7 Answers
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How to convert vector to array
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There's a fairly simple trick to do so, since the spec now guarantees vectors store their elements contiguously:
std::vector<double> v;
double* a = &v[0];
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