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What do @, - and + do as prefixes to recipe lines in Make?
...cuted.
- means ignore the exit status of the command that is executed (normally, a non-zero exit status would stop that part of the build).
+ means 'execute this command under make -n' (or 'make -t' or 'make -q') when commands are not normally executed. See also the POSIX specification for make and ...
What are the differences between a pointer variable and a reference variable in C++?
...compiling error
int &r = *p; <--- likely no compiling error, especially if the nullptr is hidden behind a function call, yet it refers to a non-existent int at address 0
Pointers can iterate over an array; you can use ++ to go to the next item that a pointer is pointing to, and + 4 to go to...
Commit only part of a file in Git
...do not stage this hunk or any of the remaining hunks
a stage this hunk and all later hunks in the file
d do not stage this hunk or any of the later hunks in the file
g select a hunk to go to
/ search for a hunk matching the given regex
j leave this hunk undecided, see next undecided hunk
J leave thi...
if else in a list comprehension [duplicate]
...with a specific condition (name in this example) var_list = [v for v in tf.all_variables() if v.name == 'C:0']
– Charlie Parker
Jul 25 '16 at 16:50
13
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Is there a Python function to determine which quarter of the year a date is in?
...ond quarter, etc -- add 1 if you need to count from 1 instead;-).
Originally two answers, multiply upvoted and even originally accepted (both currently deleted), were buggy -- not doing the -1 before the division, and dividing by 4 instead of 3. Since .month goes 1 to 12, it's easy to check for ...
Is there a way to call a stored procedure with Dapper?
...nt b = p.Get<int>("@b");
int c = p.Get<int>("@c");
Additionally you can use exec in a batch, but that is more clunky.
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Moving decimal places over in a double
...
which prints:
12.34
This works because Double.toString(d) performs a small amount of rounding on your behalf, but it is not much. If you are wondering what it might look like without rounding:
System.out.println(new BigDecimal(0.1));
System.out.println(new BigDecimal(x));
prints:
0.100000000...
Best database field type for a URL
...er is subject to the maximum row size (65,535 bytes, which is shared among all columns) and the character set used.
So ...
< MySQL 5.0.3 use TEXT
or
>= MySQL 5.0.3 use VARCHAR(2083)
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How can I redirect HTTP requests made from an iPad?
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Just for the record I'd say that is pretty easy to install squid using macports "sudo port install squid"
– MiQUEL
May 4 '13 at 18:18
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Resolve promises one after another (i.e. in sequence)?
...uential manner. readFiles returns a promise, which is resolved only once all files have been read in sequence.
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