[ad_1] Currently I am looking for best replacement of HashMap becuase of memory overhead and I need faster update and retrieval of data. I don’t know if a Trie will give you a smaller memory overhead than a HashMap. It depends on the size and distribution of the keys, and on how you implement the … Read more
[ad_1] It sounds like your situation is: You are currently running an Amazon EC2 instance in either the Frankfurt or Ireland regions You wish to use a different region There’s two answers to this question, and it depends on whether you want to “move” an instance to another region, or just “use” another region. Using … Read more
[ad_1] In keeping with the concept of type,instanceos says,”Are you this class,or a class derived from this class?”——-<> [ad_2] solved About inheritance of java [duplicate]
[ad_1] You have a complete example here http://www.cplusplus.com/reference/cstring/strlen 1 [ad_2] solved How to do a count of characters [closed]
[ad_1] There’s CAPTCHA solutions.. though not always user-friendly, I’ve had to look into other ventures to help overcome spam (though never 100%). One solution over not using CAPTCHA is to add a hidden input with a value. In JavaScript, delete that hidden input. On the server side, test if it was posted or not. If … Read more
[ad_1] Decimal and octal are number bases, this only matters when presenting a number (or when inputing a number); the actual number is generally stored in binary in the computer’s memory but this doesn’t often matter to typical programs. In your case, conversion to octal generally involves extracting three bits at a time (since 23 … Read more
[ad_1] You are parsing XML that doesn’t have child nodes for that specific slidename[a] element. You probably want to skip that one. You are not using Python loops to their full potential. There is no need to loop over indices when you can loop directly over the list itself: for a in tagname: try: print … Read more
[ad_1] Seem you need to do something like this, $values = array(); while($row = mysql_fetch_array($result)) { $values[$row[‘MONTHNAME(dt)’]] = $row[‘SUM(dist)’]; } print_r($values); If you need an associative array than do like. $values[] = array($row[‘MONTHNAME(dt)’] => $row[‘SUM(dist)’]); Note: Please, don’t use mysql_* functions in new code. They are no longer maintained and are officially deprecated. See the … Read more
[ad_1] for (final Map.Entry<String, Object> entry : hashmap.entrySet()) { final String key = entry.getKey(); System.out.println(“Key:” + key); Object obj = entry.getValue(); } [ad_2] solved How can I retrieve values and keys from a HashMap in Java 8?
[ad_1] Because AJAX always make request & wait response from server, we must put HTML file to web server (Apache HTTP server or NGINX), AJAX will run. [ad_2] solved Why my source code doesn’t work?
[ad_1] Use urlencode() This is working now : <?php $post_name=”BSN Syntha-6 Isolate”; $base = “http://52.53.227.143/API_test.php?post_name=” . urlencode($post_name); $str = file_get_contents($base); echo ‘<pre>’; print_r(json_decode($str)); ?> 2 [ad_2] solved Getting blank array from web service
[ad_1] if in the project folder there is a .sln (solution) file, open it in Visual Studio and run the project to see if it works. Then you can modify it. If you don’t find the .sln file you have to look for a README file, or something like this. 🙂 [ad_2] solved How to … Read more
[ad_1] For a simple mathematical operation like Number Operator Number you can use this regex: ^[0-9]+(\+|\-|\*|\/)[0-9]+$ For a complex expression like Number Operator Number Operator Number… try this: ^[0-9]+((\+|\-|\*|\/)[0-9]+)+$ 1 [ad_2] solved Construct regular expression that matches numeric expressions like 5+65 [closed]
[ad_1] If you want to hold on to the original position of the object you need to make a copy of the arraylist before you shuffle it. And then use indexOf [ad_2] solved Arraylist element index before and after Collections.shuffle in java
[ad_1] You can use both a Thread or an AsyncTask, just chose one of the two based on your needs (if you provide more details about the task you need to perform I might be able to help you more specifically). The Handler class is not meant to be used to run asynchronous tasks (like … Read more