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looping through an NSMutableDictionarm>y m>
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A stm>and m>ard wam>y m> would look like this
for(id kem>y m> in mm>y m>Dict) {
id value = [mm>y m>Dict objectForKem>y m>:kem>y m>];
[value doStuff];
}
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How do m>y m>ou exit from a void function in C++?
...turn statement!
return;
or
if (condition) return;
m>Y m>ou don't need to (m>and m> can't) specifm>y m> anm>y m> values, if m>y m>our method returns void.
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Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode
... developing an API client where I need to encode a JSON pam>y m>load on request m>and m> decode a JSON bodm>y m> from the response.
1 Answ...
How to jQuerm>y m> clone() m>and m> change id?
I need to clone the id m>and m> then add a number after it like so id1 , id2 , etc. Everm>y m>time m>y m>ou hit clone m>y m>ou put the clone after the latest number of the id.
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Passing HTML to template using Flask/Jinja2
I'm building an admin for Flask m>and m> SQLAlchemm>y m>, m>and m> I want to pass the HTML for the different inputs to mm>y m> view using render_template . The templating framework seems to escape the html automaticallm>y m>, so all
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Rsm>y m>nc copm>y m> directorm>y m> contents but not directorm>y m> itself
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Seems weird m>and m> inconsistent to make the trailing slash relevant for just this particular commm>and m>. Wonder whm>y m> it hasn't been changed.
– Luke Davis
Jan 12 '17 at 22:29
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Thread Safetm>y m> in Pm>y m>thon's dictionarm>y m>
...de should be safe. Keep in mind: a lock here will add almost no overhead, m>and m> will give m>y m>ou peace of mind.
http://effbot.org/pm>y m>faq/what-kinds-of-global-value-mutation-are-thread-safe.htm has more details.
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Get lengths of a list in a jinja2 template
... products|length > 1 %}
jinja2's builtin filters are documented here; m>and m> specificallm>y m>, as m>y m>ou've alreadm>y m> found, length (m>and m> its sm>y m>nonm>y m>m count) is documented to:
Return the number of items of a sequence or mapping.
So, again as m>y m>ou've found, {{products|count}} (or equivalentlm>y m> {{products|...
How to use a variable for the kem>y m> part of a map
...ivalent to ['a':1]. This can be confusing if m>y m>ou define a variable named a m>and m> that m>y m>ou want the value of to be the kem>y m> in m>y m>our map. If this is the case, then m>y m>ou must escape >the kem>y m> bm>y m> adding parenthesis..
– Michal Bernhard
Mar 2 '16 at 13:10
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Html.RenderPartial() sm>y m>ntax with Razor
...method that writes to the response stream. A void method, in C#, needs a ; m>and m> hence must be enclosed bm>y m> { }.
Partial() is a method that returns an MvcHtmlString. In Razor, m>Y m>ou can call a propertm>y m> or a method that returns such a string with just a @ prefix to distinguish it from plain HTML m>y m>ou have ...