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What's the difference between using “let” and “var”?
... in a ReferenceError. Variable said to be in "temporal dead zone" from the start of the block until the initialization is processed.
function checkHoisting() {
console.log(foo); // ReferenceError
let foo = "Foo";
console.log(foo); // Foo
}
checkHoisting();
Creating global object property
...
How to reset Jenkins security settings from the command line?
...onfig.xml file.
<useSecurity>true</useSecurity>
Then just restart Jenkins, by
sudo service jenkins restart
And then go to admin panel and set everything once again.
If you in case are running your Jenkins inside k8s pod from a docker, which is my case and can not run service comma...
What are Vertex Array Objects?
I am just starting to learn OpenGL today from this tutorial: http://openglbook.com/the-book/
I got to chapter 2, where I draw a triangle, and I understand everything except VAOs (is this acronym OK?). The tutorial has this code:
...
Using curl to upload POST data with files
... $BODY=""; //init my curl body
$BODY.= '--'.$BOUNDARY. $eol; //start param header
$BODY .= 'Content-Disposition: form-data; name="sometext"' . $eol . $eol; // last Content with 2 $eol, in this case is only 1 content.
$BODY .= "Some Data" . $eol;//param data in this case i...
How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...;
</head>
<body>
<center>
<input type="button" value="start" id="boton">
<input type="text" value="80" id="total" size="2"> concurrent json requests
<table id="stat"><tr><td>&nbsp;</table>
Elapsed Time: <span id="showTimer"></span>...
What exactly does git's “rebase --preserve-merges” do (and why?)
...serve-merges does, and then there will be some examples. One can of course start with the examples, if that seems more useful.
The Algorithm in "Brief"
If you want to really get into the weeds, download the git source and explore the file git-rebase--interactive.sh. (Rebase is not part of Git's C ...
Android: allow portrait and landscape for tablets, but force portrait on phone?
...
Well, this potentially restarts the activity when started in landscape, see developer.android.com/reference/android/app/…
– Bondax
Apr 9 '15 at 8:59
...
How accurate is python's time.sleep()?
...seems to hold pretty well until you get below about 0.2 ms, after which it starts get a little fuzzy. Additionally, the actual time seems to settle to about 5 ms longer than you request after the amount of time requested gets above 20 ms.
Again, it appears to be a completely different implementatio...
Web workers without a separate Javascript file?
... console.log("Received: " + e.data);
}
worker.postMessage("hello"); // Start the worker.
</script>
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Can you do a partial checkout with Subversion?
...ng path segments
path_segments = sparse_path.split(os.sep)
start_segment_index = 0
for i, segment in enumerate(checkout_path_segments):
if segment == path_segments[i]:
start_segment_index += 1
else:
break
pruned...