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Why aren't variable-length arrays part of the C++ standard?
...inding a good C++ish syntax for the things, and on discouraging the use of raw arrays in C++, whereas I focused more on the implications for metaprogramming and the typesystem. I don't know if he considers the metaprogramming/typesystem implications solved, solvable, or merely uninteresting.
A go...
How to insert a text at the beginning of a file?
...oldfile > newfile
I've included the latter so that you know how to do ranges of lines. Both of these "replace" the start line marker on their affected lines with the text you want to insert. You can also (assuming your sed is modern enough) use:
sed -i 'whatever command you choose' filename
...
Convert Json Array to normal Java list
...y array = new JSONArray(jsonString);
List<String> result = IntStream.range(0, array.length())
.mapToObj(array::get)
.map(Object::toString)
.collect(Collectors.toList());
share
|
...
What is Common Gateway Interface (CGI)?
...ection against executing incorrect files and/or serving up CGI programs as raw data in case the server gets misconfigured.
Why does Perl always comes in the way.
It doesn't. Perl was just big and popular at the same time as CGI.
I haven't used Perl CGI for years. I was using mod_perl for a l...
Saving timestamp in mysql table using php
... you, and the other way with strtotime. edit: btw, timestamp only covers a range of all possible dates (1970-01-01 to xx-xx-2032 I think)
– Carlos Campderrós
Apr 12 '11 at 8:58
...
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...y for particularly weird conversions and bit manipulations, like turning a raw data stream into actual data, or storing data in the low bits of a pointer to aligned data.
C-style cast and function-style cast are casts using (type)object or type(object), respectively, and are functionally equivale...
Show diff between commits
... the resulting diff.
git diff compares two endpoints (instead of a commit range).
Since the OP want to see the changes introduced by k73ud, he/she needs to difference between the first parent commit of k73ud: k73ud^ (or k73ud^1 or k73ud~).
That way, the diff results will include changes since k73u...
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...ASCII you should just encode everything. For characters in the 7-bit ASCII range this encoding will be an identity mapping.
– Tadeusz A. Kadłubowski
Mar 6 '14 at 7:47
35
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How to reset sequence in postgres and fill id column with new data?
...
FYI: If you need to specify a new startvalue between a range of IDs (256 - 10000000 for example):
SELECT setval('"Sequence_Name"',
(SELECT coalesce(MAX("ID"),255)
FROM "Table_Name"
WHERE "ID" < 10000000 and "ID" >= 256)+1
);
...
How to randomly pick an element from an array
...ook at this question:
How do I generate random integers within a specific range in Java?
You will want to generate a random number from 0 to your integers length - 1. Then simply get your int from your array:
myArray[myRandomNumber];
...