大约有 23,000 项符合查询结果(耗时:0.0320秒) [XML]

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Android -Starting Service at Boot Time

...1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name" android:debuggable="true"> <activity android:name=".BR_Example" android:label="@string/app_name"> <intent-filter> <action android:name=...
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What does it mean if a Python object is “subscriptable” or not?

...s that are "containers", meaning they contain other objects. This includes strings, lists, tuples, and dictionaries. share | improve this answer | follow | ...
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How should I print types like off_t and size_t?

... Visual Studio warns with this also "warning C4477: '_snprintf_s' : format string '%jd' requires an argument of type '__int64', but variadic argument 1 has type 'off_t'"... A truely portable way is printf("%lld\n", (long long)x); – ericcurtin Jun 13 '18 at 16:5...
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How do you create a transparent demo screen for an Android app?

...ViewTarget(showcasedView); ShowcaseView.insertShowcaseView(target, this, R.string.showcase_title, R.string.showcase_details); share | improve this answer | follow ...
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How to determine if a decimal/double is an integer?

...k if there is anything past the decimal point. public static void Main (string[] args) { decimal d = 3.1M; Console.WriteLine((d % 1) == 0); d = 3.0M; Console.WriteLine((d % 1) == 0); } Output: False True Update: As @Adrian Lopez mentioned below, comparison with a small value ...
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PostgreSQL array_agg order

...DER BY y DESC) AS tab; So in your case you would write: SELECT array_to_string(array_agg(animal_name),';') animal_names, array_to_string(array_agg(animal_type),';') animal_types FROM (SELECT animal_name, animal_type FROM animals) AS x; The input to the array_agg would then be unordered but it w...
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In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?

... and, if that symbol is recognized as a valid predefined format, returns a String with the appropriate formatting. Those symbols are defined by Time::DATE_FORMATS, which is a hash of symbols to either strings for the standard formatting function... or procs. Bwahaha. d = DateTime.now #Examples ...
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Programmatically access currency exchange rates [closed]

... . '=?' . $to_code; $response = file_get_contents($temp); $result_string = explode('"', $response); $final_result = $result_string['3']; $float_result = preg_replace("/[^0-9\.]/", '', $full_result); return $float_result; } I'm sure it's far from the most elegant way to do t...
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how to remove only one style property with jquery

... documentation for css() says that setting the style property to the empty string will remove that property if it does not reside in a stylesheet: Setting the value of a style property to an empty string — e.g. $('#mydiv').css('color', '') — removes that property from an element if it ...
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Dynamically generating a QR code with PHP [closed]

... the size of the QR image you want to generate, the chl is the url-encoded string you want to change into a QR code, and the choe is the (optional) encoding. The link, above, gives more detail, but to use it just have the src of an image point to the manipulated value, like so: <img src="https...