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Couldn't connect to server 127.0.0.1:27017
...mongodb is terminating because there is an old lock file.
If you are not and were not running with journaling, remove the lock file, run repair, and start mongodb again.
If you are or were running with journaling turned on, see the relevant Mongo DB docs. Note that they say "If you are running wi...
Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
... that I derived from http://www.teehanlax.com/blog/?p=447
http://www.chrisandtennille.com/pictures/backbutton.psd
I then just created a custom UIView that I use in the customView property of the toolbar item.
Works well for me.
Edit: As pointed out by PrairieHippo, maralbjo found that using th...
How to convert a std::string to const char* or char*?
...ice that the above is not exception safe. If anything between the new call and the delete call throws, you will leak memory, as nothing will call delete for you automatically. There are two immediate ways to solve this.
boost::scoped_array
boost::scoped_array will delete the memory for you upon go...
Creating .pem file for APNS?
...
Here is what I did, From:blog.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pezzillo.
With the aps_developer_identity.cer in the keychain:
Launch Keychain Access from your local Mac and from the login keychain, filter by the Certificates category. Yo...
How to print struct variables in console?
...poses you have an instance of Project (in 'yourProject')
The article JSON and Go will give more details on how to retrieve the values from a JSON struct.
This Go by example page provides another technique:
type Response2 struct {
Page int `json:"page"`
Fruits []string `json:"fruits"`...
Can't find the PostgreSQL client library (libpq)
... edited Nov 23 '12 at 5:38
Marc-André Lafortune
70.6k1414 gold badges150150 silver badges162162 bronze badges
answered Sep 21 '11 at 9:44
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Random number from a range in a Bash Script
I need to generate a random port number between 2000-65000 from a shell script. The problem is $RANDOM is a 15-bit number, so I'm stuck!
...
What is the relationship between the docker host OS and the container base image OS?
...tion... but while I have been reading everything docker that I can get my hands on I see that I can install Docker on Ubuntu 12.04 (for example) and then I can install a Fedora container or a different version of ubuntu? (there is an example where the user installed busybox in the container.)
...
CSS for grabbing cursors (drag & drop)
...rsor to change when they're hovering over the background. The -moz-grab and -moz-grabbing CSS cursors are ideal for this. Of course, they only work in Firefox... are there equivalent cursors for other browsers? Do I have to do something a little more custom than standard CSS cursors?
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Installing Java on OS X 10.9 (Mavericks)
....8 (Mountain Lion). When I upgraded it to Mac OS X v10.9 (Mavericks) and ran java -version in the terminal, it showed:
...