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How do you print out a stack trace to the console/log in Cocoa?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Is there any difference between “!=” and “” in Oracle Sql?
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According to this article, != performs faster
http://www.dba-oracle.com/t_not_equal_operator.htm
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Selecting only first-level elements in jquery
... of an element E.
Tells JQuery to look only for explicit children.
http://www.w3.org/TR/CSS2/selector.html
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SQL Server Management Studio, how to get execution time down to milliseconds
... thing and stumbled across the following link which was brilliant:
http://www.sqlserver.info/management-studio/show-query-execution-time/
It shows three different ways of measuring the performance. All good for their own strengths. The one I opted for was as follows:
DECLARE @Time1 DATETIME
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How do you install Boost on MacOS?
... current macOS as of this writing:
Download the the .tar.gz from https://www.boost.org/users/download/#live
Unpack and go into the directory:tar -xzf boost_1_50_0.tar.gz
cd boost_1_50_0
Configure (and build bjam):
./bootstrap.sh --prefix=/some/dir/you/would/like/to/prefix
Build:
./b2
Install:./b...
What is included in JCenter repository in Gradle?
...ackages directly to Maven Central.
Also I find a good compare at https://www.jfrog.com/knowledge-base/why-should-i-use-jcenter-over-maven-central/ ( unfortunately the link seems dead but some useful hints are here)
jcenter is the public repository hosted at bintray that is free to use
for op...
Can you explain the HttpURLConnection connection process?
...target URL of the resource to
// request
URL url = new URL("http://www.example.com/comment");
// instantiate the HttpURLConnection with the URL object - A new
// connection is opened every time by calling the openConnection
// method of the protocol handler for this URL.
// ...
How to show current time in JavaScript in the format HH:MM:SS?
...TimeString();
This will display e.g.:
"11:33:01"
I found it on http://www.w3schools.com/jsref/jsref_tolocaletimestring.asp
var d = new Date();
var n = d.toLocaleTimeString();
alert("The time is: \n"+n);
sha...
How to pass optional arguments to a method in C++?
... 1 2 3
Values: 1 2 30
Values: 1 20 30
Values: 10 20 30
Reference: http://www.learncpp.com/cpp-tutorial/77-default-parameters/
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How can I check whether a numpy array is empty or not?
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http://www.scipy.org/Tentative_NumPy_Tutorial#head-6a1bc005bd80e1b19f812e1e64e0d25d50f99fe2
NumPy's main object is the homogeneous multidimensional array. In Numpy dimensions are called axes. The number of axes is rank. Numpy's ...