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How to serve static files in Flask
...url_path='')
@app.route('/')
def root():
return app.send_static_file('index.html')
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Is it possible dynamically to add String to String.xml in Android?
... format specifiers. In the xml string they are in the form of
%[parameter_index$][format_type]
%: The percent sign marks the beginning of the format specifier.
parameter index: This is a number followed by a dollar sign. If you had three parameters that you wanted to insert into the string, the...
Efficient list of unique strings C#
..."one", "two", "one", "two", "zero" };
var uniqueItems = items.Where((item, index) => items.IndexOf(item) == index);
It was adopted from this thread: javascript - Unique values in an array
Test:
using FluentAssertions;
uniqueItems.Count().Should().Be(3);
uniqueItems.Should().BeEquivalentTo("o...
What is the purpose of Serialization in Java?
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@oxbow_lakes An example might be if you maintain an index of a particular set of data for fast searching. An index like that can take a very long time to build, but once you have it built it can be serialised/de-serialised relatively quickly.
– David
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What is the difference between active and passive FTP?
...h. As per the RFC, this is only mandated for a subset of commands, such as quitting, aborting the current transfer, and getting the status.
In active mode, the client establishes the command channel but the server is responsible for establishing the data channel. This can actually be a problem if...
When is each sorting algorithm used? [closed]
...s of merge- and heap sorts.
http://corte.si/posts/code/visualisingsorting/index.html and http://corte.si/posts/code/timsort/index.html also have some cool images comparing various sorting algorithms.
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How can I make an entire HTML form “readonly”?
...elements inside the form element, since that layer is set with a greater z-index value:
DEMO:
var form = document.forms[0], // form element to be "readonly"
btn1 = document.querySelectorAll('button')[0],
btn2 = document.querySelectorAll('button')[1]
btn1.addEventListener('click', ...
base64 encoded images in email signatures
... sorts of issues using the embedded images produced by the email system in question (they get sent as attachments generally) and as linked images (requiring permission to display them in the email received).
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How to run test methods in specific order in JUnit4?
...ders() {
for (Object[] sample: permute(1, 2, 3)) {
for (Object index: sample) {
switch (((Integer) index).intValue()) {
case 1: test1(); break;
case 2: test2(); break;
case 3: test3(); break;
}
}
}
}
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Correct way to write loops for promise.
...turn async('d')})
let a = ['a','b','c','d']
a.reduce((previous, current, index, array) => {
return previous // initiates the promise chain
.then(()=>{return asyncFn(array[index])}) //adds .then() promise for each item
}, Promise.resolve())
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