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Why is setTimeout(fn, 0) sometimes useful?
...op-down selection before the browser was ready, meaning that the bug would appear.
This race existed because JavaScript has a single thread of execution that is shared with page rendering. In effect, running JavaScript blocks the updating of the DOM.
Your workaround was:
setTimeout(callback, 0)
...
How to delete SQLite database from Android programmatically
...all Database connections before deleting. Else you'll have to restart the application.
– Jay Soyer
Aug 2 '13 at 15:58
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What is the purpose of Looper and how to use it?
...ponsible for creating a queue in the thread.
For example, while writing an application that downloads files from the internet, we can use Looper class to put files to be downloaded in the queue.
How it works?
There is prepare() method to prepare the Looper. Then you can use loop() method to create...
Which is faster : if (bool) or if(int)?
...
Does this also apply to 64-bit processes, that __int64 is faster than int? Or CPU deals 32-bit integer with 32-bit instruction sets separately?
– Crend King
Apr 27 '11 at 21:22
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A better similarity ranking algorithm for variable length strings
...ren) so that I can use it in my PostgreSQL queries:
CREATE FUNCTION string_similarity(str1 varchar, str2 varchar)
RETURNS float8 AS '
str1.downcase!
pairs1 = (0..str1.length-2).collect {|i| str1[i,2]}.reject {
|pair| pair.include? " "}
str2.downcase!
pairs2 = (0..str2.length-2).collect {|i| st...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...e is no other shortcut to restart the kernel.
– alpha_989
Feb 10 '18 at 23:42
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Counting the Number of keywords in a dictionary in python
...oops through the data and pass the values to countoccurrences function
if __name__ == "__main__":
store = {}
list = ('a', 'a', 'b', 'c', 'c')
for data in list:
countoccurrences(store, data)
for k, v in store.iteritems():
print "Key " + k + " has occurred " + str(v) ...
Using custom std::set comparator
...overloads the () operator so it can be called like a function).
struct lex_compare {
bool operator() (const int64_t& lhs, const int64_t& rhs) const {
stringstream s1, s2;
s1 << lhs;
s2 << rhs;
return s1.str() < s2.str();
}
};
You then...
Difference between . and : in Lua
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To be completely precise, obj:method(1, 2, 3) is the same as
do
local _obj = obj
_obj.method(_obj, 1, 2, 3)
end
Why the local variable? Because, as many have pointed out, obj:method() only indexes _ENV once to get obj. This normally just important when considering speed, but consider this s...
Matplotlib (pyplot) savefig outputs blank image
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My solution plt.show() plt.draw() fig.set_dpi(200) fig.savefig('/image.png')
– EduardoUstarez
Apr 9 at 23:32
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