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Difference between angle bracket < > and double quotes “ ” while including header files in C++? [dup
...tion 6.10.2):
A preprocessing directive of the form
# include <h-char-sequence> new-line
searches a sequence of implementation-defined places for a header identified uniquely by the specified sequence between the < and > delimiters, and causes the replacement of that directi...
What do single quotes do in C++ when used on multiple characters?
...
It's a multi-character literal. 1952805748 is 0x74657374, which decomposes as
0x74 -> 't'
0x65 -> 'e'
0x73 -> 's'
0x74 -> 't'
Edit:
C++ standard, §2.14.3/1 - Character literals
(...) An ordinary character literal that conta...
How to get first character of string?
I have a string, and I need to get its first character.
16 Answers
16
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How do I create a multiline Python string with inline variables?
I am looking for a clean way to use variables within a multiline Python string. Say I wanted to do the following:
7 Answers...
MySQL, Check if a column exists in a table with SQL
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@Mfoo Thanks Mfoo, you saved my day! Works like charm. One of the best solutions apart from creating Procedures for this task.
– webblover
Feb 14 '14 at 17:49
...
REST API 404: Bad URI, or Missing Resource?
... Don't return 200 with an empty body.
This is akin to undefined vs empty string (e.g. "") in programming. While very similar, there is definitely a difference.
404 means that nothing exists at that URI (like an undefined variable in programming). Returning 200 with an empty body means that some...
What is a unix command for deleting the first N characters of a line?
... be the best tool for this as it can both filter and perform the necessary string manipulation functions on filtered lines:
tail -f logfile | awk '/org.springframework/ {print substr($0, 6)}'
or
tail -f logfile | awk '/org.springframework/ && sub(/^.{5}/,"",$0)'
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Outlook autocleaning my line breaks and screwing up my email format
...pet to help convert the body and send the message in HTML format:
body = string.Format("<font face='calibri,arial,sans-serif'>{0}<font/>", body.Replace("\r\n", "<br>"));
using (var smtpClient = new SmtpClient() { Host = smtpHost })
using (var msg = new MailMessage(from, emailDis...
Convert a byte array to integer in Java and vice versa
...andatory indeed. byte b = 0; b |= 0x88; System.out.println(Integer.toString(b, 16)); //Output: -78 System.out.println(Integer.toString(b & 0xFF, 16)); //Output: 88
– HBN
Dec 6 '14 at 17:54
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What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
...,6)
If you're not used to precision and scale parameters, here's a format string visual:
###.###### and ##.######
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