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QString to char* conversion
...coRico It's not the method toStdString() that's dangerous; it's the use of raw pointers. Or, more specifically, the use of raw pointers from objects whose scopes aren't well-understood.
– notlesh
Oct 20 '19 at 20:23
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More elegant way of declaring multiple variables at the same time
... is the best way to write your routine (especially if they really have one-letter names :)
Depending on what you're doing, it may make sense to use a dictionary instead. For example, if you want to set up Boolean preset values for a set of one-letter flags, you could do this:
>>> flags =...
Why are my CSS3 media queries not working?
...declarations above the media query or the query won't work either.
.edcar_letter{
font-size:180px;
}
@media screen and (max-width: 350px) {
.edcar_letter{
font-size:120px;
}
}
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How do I read image data from a URL in Python?
...IO is no longer needed since PIL >= 2.8.0. Just use Image.open(response.raw). PIL automatically checks for that now and does the BytesIO wrapping under the hood. From: pillow.readthedocs.io/en/3.0.x/releasenotes/2.8.0.html
– Vinícius M
Feb 6 at 15:21
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What is a void pointer in C++? [duplicate]
...oid* usage, especially in C++, should be rare, used primary for dealing in raw memory.
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What is “X-Content-Type-Options=nosniff”?
...n-human users (namely computers) have taken to "hotlinking" assets via the raw view feature -- using the raw URL as the src for a <script> or <img> tag. The problem is that these are not static assets. The raw file view, like any other view in a Rails app, must be rendered before being r...
Python data structure sort list alphabetically
...'Whim', 'constitute']
As you can see, words that start with an uppercase letter get preference over those starting with a lowercase letter. If you want to sort them independently, do this:
In [4]: sorted(lst, key=str.lower)
Out[4]: ['constitute', 'Eflux', 'Intrigue', 'Sedge', 'Stem', 'Whim']
Yo...
How to determine whether a substring is in a different string
...better be range(len(string)-len(substring)) because you won't find a three letter word in the last two letters of the string. (Saves a few iterations).
– AnyOneElse
Oct 22 '15 at 9:14
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Redis key naming conventions?
...e: always ensure that user is able to access only things you intended. The raw URL-to-key approach above is able to fetch user/1/password as well, as noted by commentators. This should not be a problem if you use Redis as a public read-only cache.
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static const vs #define
...ice allows template parameter identifiers to be single-character uppercase letters (possibly followed by a number), other use of identifiers without lowercase letters is conventionally reserved for and expected of preprocessor defines (outside the OS and C/C++ library headers). This is important fo...