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How to append rows to an R data frame
... those vectors, and then, at the end, create your data.frame.
Continuing with Julian's f3 (a preallocated data.frame) as the fastest option so far, defined as:
# pre-allocate space
f3 <- function(n){
df <- data.frame(x = numeric(n), y = character(n), stringsAsFactors = FALSE)
for(i in 1:...
Percentage width in a RelativeLayout
I am working on a form layout for a Login Activity in my Android App. The image below is how I want it to look like:
14 A...
I forgot the password I entered during postgres installation
I either forgot or mistyped (during the installation) the password to the default user of Postgres. I can't seem to be able to run it and I get the following error:
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Remove unused references (!= “using”)
...ge/5244658 for another version of this answer.
Reading through the posts, it looks like there is some confusion as to the original question. Let me take a stab at it.
The original post is really asking the question: "How do I identify and remove references from one Visual Studio project to other ...
Encode URL in JavaScript?
How do you safely encode a URL using JavaScript such that it can be put into a GET string?
19 Answers
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BitBucket - download source as ZIP
I know I can get the project through git clone command, but is there any way, how to download the project through the web interface from BitBucket.org ?
In the best way, I am looking for a way to download a project source as ZIP compress file.
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Conditionally start at different places in storyboard from AppDelegate
I have a storyboard set up with working login and main view controller, the latter is the view controller to which the user is navigated to when login is successful.
My objective is to show the main view controller immediately if the authentication (stored in keychain) is successful, and show the lo...
Best way to resolve file path too long exception
I created a app that downloads all document libraries in a SP Site , but at one point it giving me this error (I tried looking at google but couldn;t find anything, now if anyone knows any trick to solve this problem please respond otherwise thanks for looking at it)
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MySQL integer field is returned as string in PHP
...ing PHP the datatype will always be converted to a string. You can convert it back to an integer using the following code:
$id = (int) $row['userid'];
Or by using the function intval():
$id = intval($row['userid']);
share...
Formula px to dp, dp to px android
I am trying to calculate a variable amount of pixels to density independent pixels and vice-versa.
20 Answers
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