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Print a list in reverse order with range()?
... may be less intuitive but as the comments mention, this is more efficient and the right usage of range for reversed list.
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How does this print “hello world”?
...th this codification scheme you can have all 26 (one case) english letters and 6 symbols (being space among them).
Algorithm description
The >>= 5 in the for-loop jumps from group to group, then the 5-bits group gets isolated ANDing the number with the mask 31₁₀ = 11111₂ in the sentenc...
Get the full URL in PHP
...oted string syntax is perfectly correct)
If you want to support both HTTP and HTTPS, you can use
$actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
Editor's note: using this code has security implica...
Xcode warning: “Multiple build commands for output file”
...der (using Finder). Assets replaced with those updated with the same names and dragging them within XCode flagging "add to target" options. It seems XCode goes out of synch duplicating those entries in Copy Bundle Resources
– brainondev
Nov 22 '12 at 12:14
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Visual Studio immediate window command for Clear All
Is there a command to clear the immediate window in Visual Studio?
7 Answers
7
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How to debug an apache virtual host configuration?
...ck configuration files for syntax errors:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -t
# Debian-based (Ubuntu)
apache2ctl -t
# MacOS
apachectl -t
List virtual hosts
To list all virtual hosts, and their locations:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -S
# Debian-based (Ubuntu)
apac...
Converting Secret Key into a String and Vice Versa
I am generating a key and need to store it in DB, so I convert it into a String, but to get back the key from the String. What are the possible ways of accomplishing this?
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Why modelVersion of pom.xml is necessary and always set to 4.0.0?
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It is always set to 4.0.0 in Maven 2 and 3, because, at present, there is no other model.
Notice that modelVersion contains 4.0.0. That is currently the only supported POM version, and is always required. [source]
But it wouldn't necessarily need to always...
Pretty-print C++ STL containers
...har *postfix;
};
// Defines the delimiter values for a specific container and character type
template<typename T, typename TChar>
struct delimiters
{
static const delimiters_values<TChar> values;
};
// Default delimiters
template<typename T> struct delimiters<T, char> ...
Putting uncommitted changes at Master to a new branch by Git
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You can just checkout to the test branch and then commit. You don't lose your uncommited changes when moving to another branch.
Supposing you are at the master branch:
git checkout test
git add .
git add deletedFile1
git add deletedFile2
...
git commit -m "My Cust...