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Android 4.3 Bluetooth Low Energy unstable
... I have a work around for being unable to unpair. 1) go to your bt menu, select unpair, remove the ble device from the area or depower it, select the ble device in the bt menu and it'll try to pair and fail, then reset bluetooth. Upon reset the device will be unpaired.
– Chr...
When to use Hadoop, HBase, Hive and Pig?
...
Consider that you work with RDBMS and have to select what to use - full table scans, or index access - but only one of them.
If you select full table scan - use hive. If index access - HBase.
s...
How do you properly use namespaces in C++?
...mbols from the namespace.
The most secure way to use "using" is to import select symbols:
void doSomething()
{
using std::string ; // string is now "imported", at least,
// until the end of the function
string a("Hello World!") ;
std::cout << a << std::en...
Stop Visual Studio from mixing line endings in files
...file where they are inconsistent, so all you need to do is open the files, select the desired option from the prompt and save them again.
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Getting the IP address of the current machine using Java
...getLocalHost</code> method does not
* specify the algorithm used to select the address returned under such circumstances, and will often return the
* loopback address, which is not valid for network communication. Details
* <a href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4665...
Install Gem from Github Branch?
...file.5.html#GIT
Update: There's a github source identifier.
gem 'country_select', github: 'stefanpenner/country_select'
However, they warn against using it: NOTE: This shorthand should be avoided until Bundler 2.0, since it currently expands to an insecure git:// URL. This allows a man-in-the-mi...
What is the difference/usage of homebrew, macports or other package installation tools? [closed]
...to do the same with Homebrew.
MacPorts support groups.
foo@macpro:~/ port select --summary
Name Selected Options
==== ======== =======
db none db46 none
gcc none gcc42 llvm-gcc42 mp-gcc48 none
llvm none mp-llvm-3.3 none
mys...
Using TortoiseSVN how do I merge changes from the trunk to a branch and vice versa?
...rge Type: Merge a range of revisions | Click 'Next'
Merge revision range: Select the URL of the trunk directory that you copied to the branch / tag. Enter the revisions to merge or leave the field empty to merge all revisions | click 'Next'
Merge options: I just left these as default | click 'Merg...
Write a program to find 100 largest numbers out of an array of 1 billion numbers
...ulate this probability. For example, lets assume the numbers were randomly selected uniformly from {0, 1}, the expected value of (i-K)th number (out of i numbers) is (i-k)/i, and chance of a random variable being larger than this value is 1-[(i-k)/i] = k/i.
Thus, the expected number of insertions ...
mysql check collation of a table
...ry INFORMATION_SCHEMA.TABLES and get the collation for a specific table:
SELECT TABLE_SCHEMA
, TABLE_NAME
, TABLE_COLLATION
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_NAME = 't_name';
that gives a much more readable output in contrast to SHOW TABLE STATUS that contains a lot of irreleva...