大约有 6,000 项符合查询结果(耗时:0.0205秒) [XML]

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Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir

...want to get the photo of. You can also use HTTPS as well. You can use the PHP's file_get_contents function to read that URL and process the retrieved data. Resource: http://developers.facebook.com/docs/api Note: In php.ini, you need to make sure that the OpenSSL extension is enabled to use thefi...
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Saving timestamp in mysql table using php

... Type safety: FROM_UNIXTIME yields a native mysql date type while php's date() returns a string. – Richard Tuin May 20 '16 at 6:19 ...
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What does T&& (double ampersand) mean in C++11?

...t[]> ptr2{ptr1};// compile error: no copy ctor. // So we must first cast ptr1 to an rvalue std::unique_ptr<int[]> ptr2{std::move(ptr1)}; std::unique_ptr<int[]> TakeOwnershipAndAlter(std::unique_ptr<int[]> param,\ int size) { for (auto i = 0; i < size; ++i) {...
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Make a link use POST instead of GET

...ng more than you already have. <form name="myform" action="handle-data.php" method="post"> <label for="query">Search:</label> <input type="text" name="query" id="query"/> <button>Search</button> </form> <script> var button = document.querySelec...
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How to Truncate a string in PHP to the word closest to a certain number of characters?

I have a code snippet written in PHP that pulls a block of text from a database and sends it out to a widget on a webpage. The original block of text can be a lengthy article or a short sentence or two; but for this widget I can't display more than, say, 200 characters. I could use substr() to cho...
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How does facebook, gmail send the real time notification?

...JAX, it'll take a lot of the cross-compability problems away. In terms of PHP, you could simply poll an event log database table in your PHP script, and only return to the client when something happens? There are, I expect, many ways of implementing this. Implementing: Server Side: There appear ...
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Check whether a value is a number in JavaScript or jQuery [duplicate]

...this is probably what you need. isFinite(val) Returns true if val, when cast to a String, is a number and it is not equal to +/- Infinity /^\d+$/.test(val) Returns true if val, when cast to a String, has only digits (probably not what you need). ...
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How to alter a column's data type in a PostgreSQL table?

... For some other cases, you might need to specify the way to cast like ALTER TABLE tbl_name ALTER COLUMN col_name TYPE integer USING col_name::integer; – Nobu May 1 '14 at 17:45 ...
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Double negation (!!) in javascript - what is the purpose? [duplicate]

... It casts to boolean. The first ! negates it once, converting values like so: undefined to true null to true +0 to true -0 to true '' to true NaN to true false to true All other expressions to false Then the other ! negates i...
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Concatenate multiple result rows of one column into one, group by another column [duplicate]

...ase. string_agg() expects data type text as input. Other types need to be cast explicitly (actor::text) - unless an implicit cast to text is defined - which is the case for all other character types (varchar, character, "char"), and some other types. As isapir commented, you can add an ORDER BY c...