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Validation failed for one or more entities while saving changes to SQL Server Database using Entity
..., I've got Date and time respectively. Could this be the reason? How can I cast to the appropriate datatype in the code before saving changes to database.
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C/C++ maximum stack size of program
...nment variable in the OS. You can then check the stack size with ulimit -s and set it to a new value with for example ulimit -s 16384.
Here's a link with default stack sizes for gcc.
DFS without recursion:
std::stack<Node> dfs;
dfs.push(start);
do {
Node top = dfs.top();
if (top is ...
How to Programmatically Add Views to Views
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As a coding practice, on findViewById, cast to ViewGroup or always the most generic form of an object so that if it changes from a LinearLayout to a RelativeLayout, you have no refactoring.
– Joel Teply
Apr 3 '15 at 16:59
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How to download and save a file from Internet using Java?
...ine file (such as http://www.example.com/information.asp ) I need to grab and save to a directory. I know there are several methods for grabbing and reading online files (URLs) line-by-line, but is there a way to just download and save the file using Java?
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MISCONF Redis is configured to save RDB snapshots
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In case you encounter the error and some important data cannot be discarded on the running redis instance (problems with permissions for the rdb file or its directory incorrectly, or running out of disk space), you can always redirect the rdb file to be wri...
Programmatically get own phone number in iOS
Is there any way to get own phone number by standard APIs from iPhone SDK?
9 Answers
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What is the good python3 equivalent for auto tuple unpacking in lambda?
...th to have a namedtuple, and use the assignment expression to effectively "cast" the incoming sequence to the namedtuple:
>>> from collections import namedtuple
>>> point = namedtuple("point", "x y")
>>> b = lambda s: (p:=point(*s), p.x ** 2 + p.y ** 2)[-1]
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How to keep a Python script output window open?
...a few options:
Run the program from an already-open terminal. Open a command prompt and type:
python myscript.py
For that to work you need the python executable in your path. Just check on how to edit environment variables on Windows, and add C:\PYTHON26 (or whatever directory you installed pyt...
Can I call a base class's virtual function if I'm overriding it?
...in this Question, this shouldn't work because of protected inheritance. To cast a base class pointer you have to use public inheritance.
– Darkproduct
Jun 3 at 9:06
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How to change the status bar color in Android?
...t of all it's not a duplicate as in How to change the background color of android status bar
19 Answers
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