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How to add images to README.md on GitHub?
... srcs should be on the github.com domain, not the raw.github.com subdomain and not the raw.githubusercontent.com domain.
– Lee Crossley
Jun 24 '14 at 6:25
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ValueError: setting an array element with a sequence
...ur edit. If you really want to have a NumPy array containing both strings and floats, you could use the dtype object, which enables the array to hold arbitrary Python objects:
numpy.array([1.2, "abc"], dtype=object)
Without knowing what your code shall accomplish, I can't judge if this is what y...
How can I use map and receive an index as well in Scala?
Is there any List/Sequence built-in that behaves like map and provides the element's index as well?
8 Answers
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how to make a specific text on TextView BOLD
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Just build your String in HTML and set it:
String sourceString = "<b>" + id + "</b> " + name;
mytextview.setText(Html.fromHtml(sourceString));
share
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Efficiently test if a port is open on Linux?
...mp;6
I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for listening on a local server in a script:
exec 6<>/dev/tcp/127.0.0.1/445 || echo "N...
Query an XDocument for elements by name at any depth
...= @"
<root>
<child id='1'/>
<child id='2'>
<grandchild id='3' />
<grandchild id='4' />
</child>
</root>";
XDocument doc = XDocument.Parse(xml);
foreach (XElement element in doc.Descendants("grandchild"))
{
C...
Strangest language feature
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that's because a[10] means *(a+10) ... and 10[a] means *(10+a) :)
– Michel Gokan
Jan 3 '10 at 14:50
77
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When should I make explicit use of the `this` pointer?
...re is a name ambiguity, where it can be used to disambiguate class members and local variables. However, here is a completely different case where this-> is explicitly required.
Consider the following code:
template<class T>
struct A {
int i;
};
template<class T>
struct B : A<...
How does one unit test routes with Express?
I'm in the process of learning Node.js and have been playing around with Express . Really like the framework;however, I'm having trouble figuring out how to write a unit/integration test for a route.
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How to match “anything up until this sequence of characters” in a regular expression?
...s possible to satisfy.
When using .+?, instead of matching all at once and going back for
other conditions (if any), the engine will match the next characters by
step until the subsequent part of the regex is matched (again if any).
This is the un-greedy, meaning match the fewest possi...