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How do I loop through or enumerate a JavaScript object?
...ach object in javascript (actually a key-value pair) has a property called __proto__ or prototype. This property has a reference to its parent object. An object automatically inherits property from its parent. This is the reason of using hasOwnProperty, which signifies that we're interested in objec...
How can I keep Bootstrap popovers alive while being hovered?
...: true,
animation: false
})
.on("mouseenter", function() {
var _this = this;
$(this).popover("show");
$(".popover").on("mouseleave", function() {
$(_this).popover('hide');
});
}).on("mouseleave", function() {
var _this = this;
setTimeout(function() {
if ...
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...
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...
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
add a comment
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...
Difference between . and : in Lua
...
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...
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) ...
What are the rules about using an underscore in a C++ identifier?
...r parameters. If you've come from an MFC background, you'll probably use m_foo . I've also seen myFoo occasionally.
5 An...
Matplotlib (pyplot) savefig outputs blank image
...
My solution plt.show() plt.draw() fig.set_dpi(200) fig.savefig('/image.png')
– EduardoUstarez
Apr 9 at 23:32
...
一个宏命令，就可以程序崩溃时生成dump文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...pFile
{
void CreateDumpFile(LPCWSTR lpstrDumpFilePathName, EXCEPTION_POINTERS *pException)
{
// 创建Dump文件
//
HANDLE hDumpFile = CreateFile(lpstrDumpFilePathName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
//...