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How to remove frame from matplotlib (pyplot.figure vs matplotlib.figure ) (frameon=False Problematic
...10))
for item in [fig, ax]:
item.patch.set_visible(False)
with open('test.png', 'w') as outfile:
fig.canvas.print_png(outfile)
(Of course, you can't tell the difference on SO's white background, but everything is transparent...)
If you don't want to show anything other than the line, ...
Explicitly calling return in a function or not
...unction's body
not using return is marginally faster (according to @Alan's test, 4.3 microseconds versus 5.1)
should we all stop using return at the end of a function? I certainly won't, and I'd like to explain why. I hope to hear if other people share my opinion. And I apologize if it is not a s...
How can one use multi threading in PHP applications
...ng in PHP should therefore remain to CLI-based applications only.
Simple Test
#!/usr/bin/php
<?php
class AsyncOperation extends Thread {
public function __construct($arg) {
$this->arg = $arg;
}
public function run() {
if ($this->arg) {
$sleep = m...
Wait for a void async method
...ode and decompiled it to see what is actually going on.
static async void Test()
{
await Task.Delay(5000);
}
static async Task TestAsync()
{
await Task.Delay(5000);
}
Turns into (edit: I know that the body code is not here but in the statemachines, but the statemachines was basically ide...
Do I need elements in persistence.xml?
...xml?
No, you don't necessarily. Here is how you do it in Eclipse (Kepler tested):
Right click on the project, click Properties, select JPA, in the Persistence class management tick Discover annotated classes automatically.
...
Git - push current branch shortcut
...the remote tracking branch.
git branch --set-upstream feature/123-sandbox-tests origin/feature/123-sandbox-tests
Then you can simply use git push to push all the changes. For a more complete answer, please see the accepted answer to a similar question here.
If you only want to push the current b...
wkhtmltopdf: cannot connect to X server
...to see if it works: run
/usr/local/bin/wkhtmltopdf http://www.google.com test.pdf
If it works, then you are done. If you get the error "Cannot connect to X server" then continue to number 7.
We need to run it headless on a 'virtual' x server. We will do this with a package called xvfb.
sudo ap...
Unable to set data attribute using jQuery Data() API
...t'));
$('#changeData').click(function() {
$('#foo').data('helptext', 'Testing 123');
// $('#foo').attr('data-helptext', 'Testing 123');
console.log($('#foo').data('data-helptext'));
return false;
});
See demo
Using the Chrome DevTools Console to inspect the DOM, the $('#foo').data('...
Download File Using Javascript/jQuery
...
It "semi" works for me. I created the following simple test html: <html><body><iframe src="fileurl"></iframe></body></html> and it does get downloaded, but in the chrome console I see that the download was "canceled" and appears in red. This i...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...pt which does the job for you.
Quoted from: section 7 of Cross-browser testing: All major browsers on ONE machine:
Chrome: Stand-alone installers can be downloaded from File Hippo. It is also possible to run multiple Chrome versions
side-by-side.
Although Sandboxie can be used, it'...