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Compelling examples of custom C++ allocators?
...l TBB's custom STL allocator significantly improve performance of a multithreaded app simply by changing a single
std::vector<T>
to
std::vector<T,tbb::scalable_allocator<T> >
(this is a quick and convenient way of switching the allocator to use TBB's nifty thread-private he...
Set TextView text from html-formatted string resource in XML
...</font>";
Spanned text=Html.fromHtml("I am of legal age and I have read, understood, agreed and accepted the "+termsOfCondition+commma+privacyPolicy);
secondCheckBox.setText(text);
How To fix white screen on app Start up?
...r AppCompactActivity you cannot use normal themes.
– Ready Android
Jan 11 '18 at 5:14
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show 5 more comments
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How can I write a heredoc to a file in Bash script?
...
Read the Advanced Bash-Scripting Guide Chapter 19. Here Documents.
Here's an example which will write the contents to a file at /tmp/yourfilehere
cat << EOF > /tmp/yourfilehere
These contents will be written to the...
HTML Entity Decode [duplicate]
...ies as it's unsafe because user input should never have access to the DOM. Read about XSS for why this is unsafe.
Instead try the Underscore.js utility-belt library which comes with escape and unescape methods:
_.escape(string)
Escapes a string for insertion into HTML, replacing &, <, >...
How do I interpret precision and scale of a number in a database?
...
Precision, Scale, and Length in the SQL Server 2000 documentation reads:
Precision is the number of digits in a number. Scale is the number of digits to the right of the decimal point in a number. For example, the number 123.45 has a precision of 5 and a scale of 2.
...
Facebook Architecture [closed]
...iven websites (like Facebook) by caching data and objects in RAM to reduce reading time. Memcache is Facebook’s primary form of caching and helps alleviate the database load. Having a caching system allows Facebook to be as fast as it is at recalling your data.
Thrift (protocol) - It is a lightwei...
Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
...-----------------------------+------------------------------------'
while read -r d t
do
printf '%-*s|' "$dw" "$d"
case $d in
unset) unset t ;;
space) t=' ' ;;
esac
[ $t ] 2>$o && t || f
[ "$t" ] && t || f
[ -n $t ]...
Find unmerged Git branches?
I have a Git repository with many branches, some of them already merged and some not. Since the number of branches is quite large, how can I determine which branches have not yet been merged? I would like to avoid having to do an "octopus" merge and re-merging branches that have already been merged....
How do I perform the SQL Join equivalent in MongoDB?
...ongodb site addresses exactly this question:
https://mongodb-documentation.readthedocs.io/en/latest/ecosystem/tutorial/model-data-for-ruby-on-rails.html
When we display our list of stories, we'll need to show the name of the user who posted the story. If we were using a relational database, we coul...