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private final static attribute vs private final attribute
...m.out.println("final int address " +
ObjectUtils.identityToString(value));
System.out.println("final static int address " +
ObjectUtils.identityToString(valueStatic));
System.out.println("final file address " +
ObjectUtils.identityToSt...
Drawing an image from a data URL to a canvas
... Canvas Context lets you copy all or a portion of an image (or canvas, or video) onto a canvas.
You might use it like so:
var myCanvas = document.getElementById('my_canvas_id');
var ctx = myCanvas.getContext('2d');
var img = new Image;
img.onload = function(){
ctx.drawImage(img,0,0); // Or at wh...
Setting different color for each series in scatter plot on matplotlib
...ersion of matplotlib.pylab.scatter support assigning: array of colour name string, array of float number with colour map, array of RGB or RGBA.
this answer is dedicate to @Oxinabox's endless passion for correcting the 2013 version of myself in 2015.
you have two option of using scatter command w...
How to know user has clicked “X” or the “Close” button?
...te void Form1_FormClosing(object sender, FormClosingEventArgs e) {
if (string.Equals((sender as Button).Name, @"CloseButton"))
// Do something proper to CloseButton.
else
// Then assume that X has been clicked and act accordingly.
}
Otherwise, I have never ever needed to di...
What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
...
An option is store it as a string, you can then load it using TimeSpan.Parse(text). not ideal from a size perspective or SQL querys but can be parsed in TSQL if needed
– Walter Vehoeven
Aug 24 '18 at 15:08
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How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]
...y key in the dictionary (check here for a solution for this case). Numbers/strings are safe.
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...gle command for which the manual states:
command must be either a command string that is completely parsable by the server (i.e., it contains no psql-specific features), or a single backslash command. Thus you cannot mix SQL and psql meta-commands within a -c option.
Workaround from within Postgre...
PHP DOMDocument errors/warnings on html5-tags
... @KlaasSangers Until we have a non-crippled DOM implementation, I'm afraid it is (either through @ or libxml_*)
– Dan Lugg
Sep 18 '14 at 20:56
...
jQuery's .click - pass parameters to user function
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I am dynamically creating the object on the server side and binding the click event with: r.OnClientClick = "imageClicked({param1: '" + obj.Command + "' });return false"; Then on the client side I have: function imageClicked(event) { if (event.param1 == "GOTO PREVIOUS") ...
How do I execute code AFTER a form has loaded?
...tHandlerOnAWorkerThread()
{
// this code running on a worker thread...
string newText = ExpensiveMethod(); // perhaps a DB/web call
// now ask the UI thread to update itself
this.Invoke((MethodInvoker) delegate {
// this code runs on the UI thread!
this.Text = newText;
});
}
...