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ERROR: Error installing capybara-webkit:
...
On fedora is a bit more complicated. I did the next which takes a while:
$ sudo dnf install make gcc-c++ gdb qt5*-devel qt-creator
$ export QMAKE=/usr/bin/qmake-qt5
$ gem install capybara-webkit
Then it worked!
See more info on capybara-webkit wiki
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Can you do greater than comparison on a date in a Rails 3 search?
...
Rails 6.1 added a new 'syntax' for comparison operators in where conditions, for example:
Post.where('id >': 9)
Post.where('id >=': 9)
Post.where('id <': 3)
Post.where('id <=': 3)
So your query can be rewritten as follows:
Note
...
How to show a dialog to confirm that the user wishes to exit an Android Activity?
...id 2.0+ this would look like:
@Override
public void onBackPressed() {
new AlertDialog.Builder(this)
.setIcon(android.R.drawable.ic_dialog_alert)
.setTitle("Closing Activity")
.setMessage("Are you sure you want to close this activity?")
.setPositiveButton("Yes", n...
Transactions in REST?
...ere's an example in HTTP+POX. First step is to CREATE (HTTP POST method) a new empty transaction:
POST /transaction
This returns a transaction ID, e.g. "1234" and according URL "/transaction/1234". Note that firing this POST multiple times will not create the same transaction with multiple IDs an...
What is the difference between range and xrange functions in Python 2.X?
... python -m timeit 'for i in xrange(1000000):' ' pass'
10 loops, best of 3: 51.1 msec per loop
Personally, I always use .range(), unless I were dealing with really huge lists -- as you can see, time-wise, for a list of a million entries, the extra overhead is only 0.04 seconds. And as Corey points...
Update MongoDB field using value of another field
...te your collection but instead replace the existing collection or create a new one. Also for update operations that require "type casting" you will need client side processing, and depending on the operation, you may need to use the find() method instead of the .aggreate() method.
MongoDB 3.2 and 3...
Length of a JavaScript object
...Objects/…
– vsync
Jun 6 '11 at 11:51
104
It's not a universally implemented method, but you can...
The import javax.servlet can't be resolved [duplicate]
...need to integrate Tomcat in your Servers view. Rightclick there and choose New > Server. Select the appropriate Tomcat version from the list and complete the wizard.
When you create a new Dynamic Web Project, you should select the integrated server from the list as Targeted Runtime in the 1st wi...
List all files and directories in a directory + subdirectories
...u can go like this:
foreach (var file in allfiles){
FileInfo info = new FileInfo(file);
// Do something with the Folder or just add them to a list via nameoflist.add();
}
share
|
improve t...
Returning multiple objects in an R function [duplicate]
...a list that combines these items:
foo <- 12
bar <- c("a", "b", "e")
newList <- list("integer" = foo, "names" = bar)
Then return this list.
After calling your function, you can then access each of these with newList$integer or newList$names.
Other object types might work better for v...