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How do I remove all non alphanumeric characters from a string except dash?
...can provide elegant solution but they can cause performane issues. Here is one solution
char[] arr = str.ToCharArray();
arr = Array.FindAll<char>(arr, (c => (char.IsLetterOrDigit(c)
|| char.IsWhiteSpace(c)
|| c == '-'))...
Why cannot cast Integer to String in java?
...jB or (Object) objB or (Object) objA will work.
Hence as others have mentioned already, to convert an integer to string use:
String.valueOf(integer), or Integer.toString(integer) for primitive,
or
Integer.toString() for the object.
...
How do I make a WinForms app go Full Screen
... e)
{
this.TopMost = true;
this.FormBorderStyle = FormBorderStyle.None;
this.WindowState = FormWindowState.Maximized;
}
But, interestingly, if you swap those last two lines the Taskbar remains visible. I think the sequence of these actions will be hard to control with the properties wi...
Zoom in on a point (using scale and translate)
...
also, i would like to add for the ones seeking to achieve a map like pan-zoom component, that the mouse X, Y should be (mousePosRelativeToContainer - currentTransform)/currentScale otherwise it will treat the current mouse position as relative to the contain...
What exactly is Hot Module Replacement in Webpack?
...his version. The "Update" contains two parts:
the update manifest (json)
one or multiple update chunks (js)
The manifest contains the new compilation hash and a list of all update chunks (2).
The update chunks contain code for all updated modules in this chunk (or a flag if a module was removed...
SPA best practices for authentication and session management
...ll fail if your attacker finds a way to execute any javascript code on someone else's browser.
This renders a lot of RESTful authentication schemes impossible or silly if you're intending to use a JavaScript client. Let's look!
HTTP Basic Auth
First and foremost, HTTP Basic Auth. The simplest ...
Android: Generate random color on click?
...
@That'sEnam nope, there are two Color.argb functions, one takes int arguments and has existed since API level 1, the one you are talking about takes float arguments and yes, is only since API 26
– Shane Monks O'Byrne
Jun 2 '18 at 9:47
...
How can I display a list view in an Android Alert Dialog?
...lderSingle.setIcon(R.drawable.ic_launcher);
builderSingle.setTitle("Select One Name:-");
final ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(DialogActivity.this, android.R.layout.select_dialog_singlechoice);
arrayAdapter.add("Hardik");
arrayAdapter.add("Archit");
arrayAda...
matplotlib.pyplot will not forget previous plots - how can I flush/refresh?
...axes.
To clear a specific axes, useful when you have multiple axes within one figure, you could do for example:
fig, axes = plt.subplots(nrows=2, ncols=2)
axes[0, 1].clear()
share
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improve this...
'sudo gem install' or 'gem install' and gem locations
...ife with portable gem homes and different version of Ruby all living under one roof.
For the uninitiated, from the documentation:
RVM is a command line tool which allows us to easily install, manage and work with multiple ruby environments and sets of gems.
The reason why installing gems with...