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Storing time-series data, relational or non?
...It allows me to produce Charts Like This, six keystrokes after receiving a raw monitoring stats file from the customer, using a single SELECT command. Notice the mix-and-match; OS and server on the same chart; a variety of Pivots. Of course, there is no limit to the number of stats matrices, and th...
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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Escape @ character in razor view engine
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@Html.Raw("@") seems to me to be even more reliable than @@, since not in all cases @@ will escape.
Therefore:
<meta name="twitter:site" content="@twitterSite">
would be:
<meta name="twitter:site" content="@Html.Raw("...
document.getElementById vs jQuery $()
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No.
Calling document.getElementById('id') will return a raw DOM object.
Calling $('#id') will return a jQuery object that wraps the DOM object and provides jQuery methods.
Thus, you can only call jQuery methods like css() or animate() on the $() call.
You can also write $(docum...
Pointers, smart pointers or shared pointers? [duplicate]
...hat it is in charge of deleteing it at some point. They allow you to get a raw reference to the pointer they wrap for passing to other methods, as well as releasing the pointer, allowing someone else to own it. Copying them does not make sense.
Shared pointers is a stack-allocated object that wraps ...
How to get line count of a large file cheaply in Python?
... way to make this run considerably faster, namely by using the unbuffered (raw) interface, using bytearrays, and doing your own buffering. (This only applies in Python 3. In Python 2, the raw interface may or may not be used by default, but in Python 3, you'll default into Unicode.)
Using a modifi...
std::string to char*
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The answer is bulky, inelegant, non-local, uses raw arrays, and requires attention to exception safety. vector was invented precisely as a wrapper for dynamic arrays, so not using it seems like a missed opportunity at best, and in violation of the spirit of C++ at worst.
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What does preceding a string literal with “r” mean? [duplicate]
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The r means that the string is to be treated as a raw string, which means all escape codes will be ignored.
For an example:
'\n' will be treated as a newline character, while r'\n' will be treated as the characters \ followed by n.
When an 'r' or 'R' prefix is present,...
Python Requests package: Handling xml response
...er sent a Gzip or Deflate compressed response, decompress
# as we read the raw stream:
response.raw.decode_content = True
events = ElementTree.iterparse(response.raw)
for event, elem in events:
# do something with `elem`
The external lxml project builds on the same API to give you more featur...
Select Last Row in the Table
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This method is worse actually. You are fetching last raw using PHP execution instead of doing it as DB level. What if table has millions of raw, then you know how much inefficient it can be?
– Bhaskar Dabhi
Nov 23 '16 at 6:59
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