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Can't launch my app in Instruments: At least one target failed to launch
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Edit the scheme for your target and under "Profile [App Name]" set the Build Configuration to Debug (it's usually Release by default).
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could not resolve host github.com error while cloning remote repository in git
What I did: I have created a remote repository on Github and I am trying to clone the remote repository on my local machine. While cloning I am providing the clone URL & target folder.
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When should I use a List vs a LinkedList
...his should not be an accepted answer. As I was
learning I did some tests and felt like sharing them.
Original answer...
I found interesting results:
// Temporary class to show the example
class Temp
{
public decimal A, B, C, D;
public Temp(decimal a, decimal b, decimal c, decimal d)
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How to specify maven's distributionManagement organisation wide?
...istributionManagement>
</project>
This can be built, released, and deployed to your local nexus so everyone has access to its artifact.
Now for all projects which you wish to use it, simply include this section:
<parent>
<groupId>your.company</groupId>
<artifac...
What exactly is Arel in Rails 3.0?
I understand that it is a replacement for ActiveRecord and that it uses objects instead of queries.
4 Answers
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Forward host port to docker container
...cker container access ports opened by the host? Concretely I have MongoDB and RabbitMQ running on the host and I'd like to run a process in a Docker container to listen to the queue and (optionally) write to the database.
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How to mkdir only if a directory does not already exist?
... run under the KornShell (ksh) on AIX. I would like to use the mkdir command to create a directory. But the directory may already exist, in which case I do not want to do anything. So I want to either test to see that the directory does not exist, or suppress the "File exists" error that mkdir t...
How to get past the login page with Wget?
...re the --post-data parameter is properly percent-encoded (especially ampersands!) or the request will probably fail. Also make sure that user and password are the correct keys; you can find out the correct keys by sleuthing the HTML of the login page (look into your browser’s “inspect element”...
What is the behavior of integer division?
...ion? What is the defined behavior?
Yes, integer quotient of the two operands.
6.5.5 Multiplicative operators
6 When integers are divided, the result of the / operator is the algebraic quotient with any
fractional part discarded.88) If the quotient a/b is representable, the expression
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What is the purpose of the “role” attribute in HTML?
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Most of the roles you see were defined as part of ARIA 1.0, and then later incorporated into HTML via supporting specs like HTML-AAM. Some of the new HTML5 elements (dialog, main, etc.) are even based on the original ARIA roles.
http://www.w3.org/TR/wai-aria/
There are a few primary r...