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Xcode Debugger: view value of variable
...uld provide useful information;
Declared properties could be shown up in a group called properties and allow for (optional) inspection directly in the debugger window. This would also slow down the debugger because of the need to send a message/execute a method in order to get information, but would...
Why doesn't adding CORS headers to an OPTIONS route allow browsers to access my API?
... application that uses the Express.js web framework. I have read a Google group discussion about how to handle this, and read a few articles about how CORS works. First, I did this (code is written in CoffeeScript syntax):
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...setting character_set_server=utf8mb4 globally on the server (RDS parameter group) and NOT having any characterEncoding in the JDBC URL.
– Joshua Davis
Apr 11 '18 at 14:28
add ...
What's the difference between RANK() and DENSE_RANK() functions in oracle?
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rank() : It is used to rank a record within a group of rows.
dense_rank() : The DENSE_RANK function acts like the RANK function except that it assigns consecutive ranks.
Query -
select
ENAME,SAL,RANK() over (order by SAL) RANK
from
EMP;
Output -
+--------...
Are 2^n and n*2^n in the same time complexity?
...e consider to be 2ⁿ, 3ⁿ, eⁿ, 2.000001ⁿ, or our n⋅2ⁿ to be same group of complexity with exponential grows.
To give it a bit mathematical sense, we consider a function f(x) to grow (not faster than) exponentially if exists such constant c > 1, that f(x) = O(cx).
For n⋅2ⁿ the cons...
Can I record/play macros in Visual Studio 2012/2013/2015/2017/2019?
...he source code is open source, "This extension was originally created by a group of interns on the Visual Studio team. It is no longer maintained"
– Yann Duran
Mar 29 '19 at 8:00
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Retrieve only the queried element in an object array in MongoDB collection
...ase, $elemMatch is another option. I actually got here by way of a Google Group question where $elemMatch wouldn't work because it only returns the first match per document.
– Stennie
Sep 3 '12 at 4:24
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Why are Python lambdas useful? [closed]
...tremely useful in GUI programming. For example, lets say you're creating a group of buttons and you want to use a single paramaterized callback rather than a unique callback per button. Lambda lets you accomplish that with ease:
for value in ["one","two","three"]:
b = tk.Button(label=value, com...
Add support library to Android Studio project
...You can also add 3rd party libraries from the maven repository
compile group: 'com.google.code.gson', name: 'gson', version: '2.2.4'
The above snippet will add gson 2.2.4 for you.
In my experiment, it seems that adding the gradle will also setup correct IntelliJ dependencies for you.
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How to load up CSS files using Javascript?
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@Pacerier I believe you will find that discussed in groups.google.com/forum/#!topic/prototype-scriptaculous/…. That would be for instance: var style = document.getElementsByTagName("style")[0];
– VonC
Apr 30 '14 at 19:53
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