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find: missing argument to -exec
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A -exec command must be terminated with a ; (so you usually need to type \; or ';' to avoid interpretion by the shell) or a +. The difference is that with ;, the command is called once per file, with +, it is called just as few times as possible (usually once, but there is a maxi...
How do you clear a stringstream variable?
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For all the standard library types the member function empty() is a query, not a command, i.e. it means "are you empty?" not "please throw away your contents".
The clear() member function is inherited from ios and is used to cle...
Set Additional Data to highcharts series
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Additionally, with this solution, you can even put multiple data as much as you want :
tooltip: {
formatter: function () {
return 'Extra data: <b>' + this.point.myData + '</b><br> Another Data: <b>...
How can I autoplay a video using the new embed code style for Youtube?
... The first parameter after the video ID needs to start with "?" ,all parameters AFTER that needs to be added with "&". If you had for example "?rel=0&autoplay=1" it would be the same as "?autoplay=1&rel=0" and they would both work.
– Thanos
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How do you test that a Python function throws an exception?
...t ahold of the actual Exception object thrown:
import unittest
def broken_function():
raise Exception('This is broken')
class MyTestCase(unittest.TestCase):
def test(self):
with self.assertRaises(Exception) as context:
broken_function()
self.assertTrue('This i...
what's the correct way to send a file from REST web service to client?
...n begin. My REST service is made on Java and I'm using Jersey, I'm sending all the data using the JSON format.
4 Answers
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
I need some code samples (and I also really curious about them) of Scala and Java code which show that Scala code is more simple and concise then code written in Java (of course both samples should solve the same problem).
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How does a public key verify a signature?
... add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature.
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“Unknown class in Interface Builder file” error at runtime
...th it, and prints the warning.
By default, Objective-C targets will have -all_load -ObjC flags set by default, which will keep all of the symbols. But I had started with a C++ target, and didn't have that. Nevertheless, I found a way around this, which keeps the linker aggressive.
The hack I was...
Repeat Character N Times
... The loop method may be faster but its more verbose. Plus I'm puzzled by all the upvotes for the first comment, considering that when this is generally going to be useful when the Array length is variable, e.g. Array(rawValue.length + 1).join("*")
– Dexygen
J...