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std::unique_lock or std::lock_guard?
...ch needs mutual exclusion (e.g. open the same
file in multiple threads).
*/
//mutex is automatically released when lock goes out of scope
};
To clarify a question by chmike, by default std::lock_guard and std::unique_lock are the same.
So in the above case, yo...
Declaring pointers; asterisk on the left or right of the space between the type and name? [duplicate
... say intconst but int const. The "spaces all around" version also seems to read better when you have const in play. int const * const p; vs int const* const q; (or perhaps the minimal spaces people would prefer int const*const r;?)
– David Stone
Oct 19 '13 at 2...
SET NOCOUNT ON usage
... counted for select statement, but flag DONE_COUNT is set to false. Always read what your client lib suggests since it will interpret token (message) stream instead of you
– Milan Jaric
Jul 31 '19 at 10:34
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Difference between .tagName and .nodeName
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Read about those properties in the DOM Core spec.
nodeName is a property defined in the Node interface
http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-F68D095
tagName is a property defined in the Element interface
http:/...
SqlDataAdapter vs SqlDataReader
What are the differences between using SqlDataAdapter vs SqlDataReader for getting data from a DB?
5 Answers
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How does a public key verify a signature?
...r exposing the private key within the signed message to the recipient? (re-read that a few times until it makes sense)
Other answers have already explained how asymmetric cryptography means that you can either:
Encrypt with public key, decrypt with matching private key (pseudocode below)
var m...
Convert JSON string to dict using Python
...ke the vague nomenclature used. Here is what I wrote to combat this: def read_json(json_data): if (type(json_data) == str): return json.loads(json_data) elif (str(type(json_data)) == "<class '_io.TextIOWrapper'>"): return json.load(json_data) I'm sure this can be im...
Are std::vector elements guaranteed to be contiguous?
...ctually C++03 is also called C++98-TC1 (technical corrigendum) from what i read
– Johannes Schaub - litb
May 11 '09 at 18:02
2
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Writing a list to a file with Python
... For example because you want an output text file that can be easily read, edited, etc, with one item per line. Hardly a rare desire;-).
– Alex Martelli
May 23 '09 at 14:40
1...
How to write a UTF-8 file with Java?
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@Smarty only if you are already using Apache Commons. Otherwise it seems an awful waste to include yet another jar just because you don't want to write a few more characters.
– Jason
Jan 10 '14 at 1:03
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