One more PCRE modifier that allows the use of duplicate named groups.
NOTE: only inline version is supported - (?J), and must be placed at the start of the pattern.
If you use
/(?J)\w+-(?:new-(?<val>\w+)|\d+-empty-(?<val>[^-]+)-collection)/
the "val" group values will be ...
A PCRE modifier that causes an error if any backslash in a pattern is followed by a letter that has no special meaning. By default, a backslash followed by a letter with no special meaning is treated as a literal.
E.g.
/big\y/
will match bigy, but
/big\y/X
will throw an exception.
Inline v...
%storemagic stores variables and macros on IPython's database.
To automatically restore stored variables at startup add this to ipython_config.py:
c.StoreMagic.autorestore = True
Example:
In [1]: l = ['hello',10,'world']
In [2]: %store l
In [3]: exit
(IPython session is closed and started...
numpy.dot can be used to multiply a list of vectors by a matrix but the orientation of the vectors must be vertical so that a list of eight two component vectors appears like two eight components vectors:
>>> a
array([[ 1., 2.],
[ 3., 1.]])
>>> b
array([[ 1., 2., ...
filePath = "file.csv"
data = np.genfromtxt(filePath)
Many options are supported, see official documentation for full list:
data = np.genfromtxt(filePath, dtype='float', delimiter=';', skip_header=1, usecols=(0,1,3) )
When a Java virtual machine starts, it needs to know how big to make the Heap, and the default size for thread stacks. These can be specified using command-line options on the java command. For versions of Java prior to Java 8, you can also specify the size of the PermGen region of the Heap.
Note...
Searching git log using some string in log:
git log [options] --grep "search_string"
Example:
git log --all --grep "removed file"
Will search for removed file string in all logs in all branches.
Starting from git 2.4+, the search can be inverted using the --invert-grep...
The arrayref for @foo is \@foo. This is handy if you need to pass an array and other things to a subroutine. Passing @foo is like passing multiple scalars. But passing \@foo is a single scalar. Inside the subroutine:
xyz(\@foo, 123);
...
sub xyz {
my ($arr, $etc) = @_;
print $arr-&g...
To unregister from Remote Notifications programatically you can use
Objective-C
[[UIApplication sharedApplication] unregisterForRemoteNotifications];
Swift
UIApplication.sharedApplication().unregisterForRemoteNotifications()
this is similar to going into the setting of your phone and manual...
Task that return a value has return type of Task< TResult > where TResult is the type of value that needs to be returned. You can query the outcome of a Task by its Result property.
Task<int> t = Task.Run(() =>
{
int sum = 0;
for(int i = 0; i < 500; i++)
...
To create a Swift Package, open a Terminal then create an empty folder:
mkdir AwesomeProject
cd AwesomeProject
And init a Git repository:
git init
Then create the package itself. One could create the package structure manually but there's a simple way using the CLI command.
If you want to ...
JSON Viewer SourceForge is a plugin for JSON visualization and formatting. It is useful for indenting /formatting JSON documents and can be used to browse complex JSON file using a treeview tool.
The following image shows the commands offered by the plugin:
Starting from an unformatted JSON frag...
EventNetworks returned by compile must be actuated before reactimated events have an effect.
main = do
(inputHandler, inputFire) <- newAddHandler
eventNetwork <- compile $ do
inputEvent <- fromAddHandler inputHandler
let inputEventReaction = fmap putStrLn inp...
Here we will be checking out the latest copy of our project's code, run the tests and will make the application live.To achieve that, follow below steps:
Open Jenkins in browser.
Click the New Job link.
Enter project name and select the Build a free-style software project link.
Click on Ok but...
