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What does 'wb' mean in this code, using Python?
...8.04 running Python 3.6.8, the 'binary mode' definitely mattered. I got an error trying to write to a text file (CSV format, not that it ultimately matters that much) that was opened with the wb option. By using the w option instead, I was able to get it to work properly.
– The...
What is a practical use for a closure in JavaScript?
...s a case of separating instrumentation (counting calls) from semantics (an error-reporting API). Other uses include:
Passing parameterised behaviour into an algorithm (classic higher-order programming):
function proximity_sort(arr, midpoint) {
arr.sort(function(a, b) { a -= midpoint; b -= mid...
Should you declare methods using overloads or optional parameters in C# 4.0?
...= "bar default" )
{
// do that thang
}
Much more simple and much less error prone. I've actually seen this as a bug in the overload case ...
public void M1( string foo )
{
M2( foo, "bar default" ); // oops! I meant M1!
}
I have not played with the 4.0 complier yet, but I would not be s...
is of a type that is invalid for use as a key column in an index
I have an error at
5 Answers
5
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How to change ViewPager's page?
...
This does not work I just get an error saying that the fragment has already been added.
– BlondeSwan
Dec 19 '19 at 22:07
add a commen...
What is the purpose of a self executing function in javascript?
...
})();
console.log(foo);
This will first log 3 and then throw an error on the next console.log because foo is not defined.
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What is difference between sjlj vs dwarf vs seh?
...nSSL, ICU, freeGLUT) compiled but Qt end up with lots of internal compiler errors. I think I'll wait for stable release of 4.8
– sorush-r
Mar 28 '13 at 21:35
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How to add a custom loglevel to Python's logging facility
... @Eric S. Why do you need args without *? If I do that, I get TypeError: not all arguments converted during string formatting but it works fine with *. (Python 3.4.3). Is it a python version issue, or something I'm missing?
– Peter
Apr 16 '17 at 20:10
...
PHP Regex to get youtube video ID?
...can use regexes for just about anything, but they are very easy to make an error in, so if there are PHP functions specifically for what you are trying to accomplish, use those.)
parse_url takes a string and cuts it up into an array that has a bunch of info. You can work with this array, or you can...
Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?
...ll -e git+https://github.com/octocat/Hello-World.git#egg=Hello-World. The error is No such file or directory: 'c:\python\src\Hello-World\setup.py
– cowlinator
Oct 24 '19 at 0:30
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