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Why do we need argc while there is always a null at the end of argv?
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106
Yes, argv[argc]==NULL is guaranteed. See C11 5.1.2.2.1 Program startup (my emphasis)
If t...
How to overwrite the previous print to stdout in python?
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16 Answers
16
Active
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Is there anyway to exclude artifacts inherited from a parent POM?
.../groupId>
<artifactId>log4j</artifactId>
<version>1.2.15</version>
<scope>provided</scope>
<exclusions>
<exclusion>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
</exclusion>
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Getting a list of values from a list of dicts
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answered Sep 1 '11 at 14:08
Ismail BadawiIsmail Badawi
29.6k66 gold badges7373 silver badges9090 bronze badges
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All falsey values in JavaScript
...ypeof as undefined. It was a Microsoft-proprietory function in IE before IE11, and was added to the HTML spec as a "willful violation of the JavaScript specification" so that sites written for IE wouldn't break on trying to access, for example, document.all.something; it's falsy because if (document...
C++11 reverse range-based for-loop
...or/reversed.hpp>
int main()
{
std::list<int> x { 2, 3, 5, 7, 11, 13, 17, 19 };
for (auto i : boost::adaptors::reverse(x))
std::cout << i << '\n';
for (auto i : x)
std::cout << i << '\n';
}
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Can I use a collection initializer for Dictionary entries?
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157
var names = new Dictionary<int, string> {
{ 1, "Adam" },
{ 2, "Bart" },
{ 3, "Char...
SQL Server loop - how do I loop through a set of records
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221
By using T-SQL and cursors like this :
DECLARE @MyCursor CURSOR;
DECLARE @MyField YourFieldDat...
How do I request a file but not save it with Wget? [closed]
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edited Jan 27 '18 at 13:19
answered Mar 13 '12 at 20:19
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How do you reverse a string in place in C or C++?
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124
The standard algorithm is to use pointers to the start / end, and walk them inward until they ...