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Android App Not Install. An existing package by the same name with a conflicting signature is alread
In my emulator, when I try to do an upgrade of my apk programmatically. I get:
14 Answers
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The following untracked working tree files would be overwritten by merge, but I don't care
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The problem is that you are not tracking the files locally but identical files are tracked remotely so in order to "pull" your system would be forced to overwrite the local files which are not version controlled.
Try running
git add *
git stash
git pull
This will track all...
Threads vs Processes in Linux
... threads -- everything is simply a runnable task. *
On Linux, the system call clone clones a task, with a configurable level of sharing, among which are:
CLONE_FILES: share the same file descriptor table (instead of creating a copy)
CLONE_PARENT: don't set up a parent-child relationship between t...
How to unmount a busy device
...ared drives (from a SQL table) and mount them in a special directory where all users can access them.
11 Answers
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Get type of all variables
...(c(TRUE, FALSE)) #a vector containing only logicals: logical
#R is really cramping my style, killing my high, irritation is increasing:
typeof(factor()) #an empty factor has default type: integer
typeof(factor(3.14)) #a factor containing doubles: integer
typeof(factor(...
How to measure code coverage in Golang?
... test is that it can now compute and, with help from a new, separately installed "go tool cover" program, display test coverage results.
The cover tool is part of the go.tools subrepository. It can be installed by running
$ go get golang.org/x/tools/cmd/cover
The cover tool does two thin...
API Versioning for Rails Routes
...Bo Jeanes for the prompting on those things.
You might want to wear a really strong helmet because this is going to blow your mind.
The Rails 3 routing API is super wicked. To write the routes for your API, as per your requirements above, you need just this:
namespace :api do
namespace :v1 d...
Git push branch from one remote to another?
...hecking in my rorg remote:
pat@host /tmp/rorg (BARE:master)
$ git graph --all
* 5750bca (HEAD, master) c
| * 13fd55a (one) b
|/
* 822e0de a
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How using try catch for exception handling is best practice
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My exception handling strategy is :
To catch all unhandled exceptions by hooking to the Application.ThreadException event, then decide :
For a UI application: to pop it to the user with an apology message (winforms)
For a Service or a Console application: log it to a ...
Bitwise operation and usage
...Bitwise operators are operators that work on multi-bit values, but conceptually one bit at a time.
AND is 1 only if both of its inputs are 1, otherwise it's 0.
OR is 1 if one or both of its inputs are 1, otherwise it's 0.
XOR is 1 only if exactly one of its inputs are 1, otherwise it's 0.
NOT is 1...