Invalid JSON:Unexpected non-whitespace character after JSONat line 2, column 1
| {"QuestionId": 30444915, "AnswerCount": 1, "Tags": "<html><css><image><hover><effect>", "CreationDate": "2015-05-25T19:33:47.730", "AcceptedAnswerId": null, "Title": "How to change an image color with hover effect (CSS)?", "Body": "<p>I'm trying to set a hover effect over an image, so that it changes color when the mouse is over it. That's my html:</p>\n\n<pre><code> <div class=\"col s4\">\n <ul id=\"social\">\n <li id=\"fb\"></li>\n <li id=\"tw\"></li>\n <li id=\"em\"></li>\n <li id=\"fa\"></li>\n </ul>\n </div>\n</code></pre>\n\n<p>And that's my CSS:</p>\n\n<pre><code>ul#social li#fb {\n height:32px;\n width:32px;\n background-image:url(../img/social/Facebook-icon-(1).png);\n}\n\nul#social li#fb:hover{\n background-image:url(../img/social/Facebook-icon.png);\n}\n\n[...]\n</code></pre>\n\n<p>The first background-image is in black and white , the second is in color . Unfortunately , however , my code does not work: it does not display the image in black and white. If imposed as background-image the color image I can see it properly, but the hover effect will not work anyway.</p>\n\n<p>Where am I wrong?</p>\n", "Lable": "No"} | |
| {"QuestionId": 30509178, "AnswerCount": 4, "Tags": "<php><html><css><wordpress>", "CreationDate": "2015-05-28T14:15:39.503", "AcceptedAnswerId": "30523582", "Title": "Custom css on top nav for specific page wordpress", "Body": "<p>I am new to wordpress theme development and I need to style the main navigation menu depending on what page the user is on. </p>\n\n<p>Simply put, only the home page has a unique styling on it and all other pages will have a different css. I have tried adding this in my functions.php but it does not work.</p>\n\n<pre><code>if (is_page( 52 ) ):\n wp_enqueue_style('style1_css', get_template_directory_uri() . '/css/style1.css' );\nendif;\n</code></pre>\n\n<p>Sorry if its badly explained!</p>\n", "Lable": "No"} | |
| {"QuestionId": 30510722, "AnswerCount": 1, "Tags": "<machine-learning><neural-network><deep-learning><caffe>", "CreationDate": "2015-05-28T15:20:54.500", "AcceptedAnswerId": "30525487", "Title": "solver parameter 'test_iter' changes label values during test phase", "Body": "<p>I'm using the <a href=\"http://caffe.berkeleyvision.org/\" rel=\"nofollow\"><strong>Caffe</strong></a> framework to construct and research convolutional neural networks.</p>\n\n<p>I've discovered (what I believe to be) a bug by accident. <em>(I've already reported it on <a href=\"https://github.com/BVLC/caffe/issues/2524\" rel=\"nofollow\">Github</a>.)</em></p>\n\n<p><strong>This is the issue:</strong> during the test phase, label values get changed depending on the value of <code>test_iter</code> parameter (defined in the solver <code>.prototxt</code> file).</p>\n\n<hr>\n\n<p>I'm using 10240 images to train and test a network. Each image has 38 labels, each label can have two (0 or 1) values. I'm using the HDF5 file format to get my image data and labels into Caffe; each file stores 1024 images and their respective labels. <em>(I've checked the HDF5 files, everything is correct there.)</em></p>\n\n<p>I'm using 9216 (= 9 files) images for training and 1024 (= 1 file) for testing. My Nvidia 540M graphics card merely has 1GB of memory, which means I have to process in batch (usually 32 or 64 images per batch).</p>\n\n<p>I'm using the following network to replicate the problem:</p>\n\n<pre><code># in file \"BugTest.prototxt\"\nname: \"BugTest\"\nlayer {\n name: \"data\"\n type: \"HDF5Data\"\n top: \"data\"\n top: \"label\"\n hdf5_data_param {\n source: \"./convset_hdf5_train.txt\"\n batch_size: 32\n }\n include {\n phase: TRAIN\n }\n}\nlayer {\n name: \"data\"\n type: \"HDF5Data\"\n top: \"data\"\n top: \"label\"\n hdf5_data_param {\n source: \"./convset_hdf5_test.txt\"\n batch_size: 32\n }\n include {\n phase: TEST\n }\n}\nlayer {\n name: \"silence\"\n type: \"Silence\"\n bottom: \"data\"\n}\n</code></pre>\n\n<p>This network simply outputs all label values. I'm using the following solver for this network: <em>(Mostly copied from my real network.)</em></p>\n\n<pre><code># In file \"BugTest_solver.prototxt\"\nnet: \"BugTest.prototxt\"\ntest_iter: 32\ntest_interval: 200\nbase_lr: 0.0001\nmomentum: 0.90\nweight_decay: 0.0005\nlr_policy: \"inv\"\ngamma: 0.0001\npower: 0.75\ndisplay: 100\nmax_iter: 10000\nsnapshot: 5000\nsnapshot_prefix: \"./bt\"\nsolver_mode: GPU\n</code></pre>\n\n<p>The following results were obtained by changing the <code>batch_size</code> and <code>test_iter</code> parameters. According to <a href=\"http://caffe.berkeleyvision.org/gathered/examples/mnist.html#define-the-mnist-network\" rel=\"nofollow\">this</a> tutorial, <code>batch_size</code> of the test data and <code>test_iter</code> in the solver should balance out to make sure all test samples are used during testing. In my case, I'll make sure that <code>batch_size * test_iter = 1024</code>.</p>\n\n<p><strong>These are my results when changing the values:</strong><br>\n<code>batch_size = 1024, test_iter = 1</code>: Everything is okay.<br>\n<code>batch_size = 512, test_iter = 2</code>: Labels that were '1' changed to '0.50'.<br>\n<code>batch_size = 256, test_iter = 4</code>: Labels that were '1' changed to '0.50' or '0.25'<br>\n<code>batch_size = 128, test_iter = 8</code>: Labels that were '1' changed to '0.50' or '0.25' or '0.125'<br>\n<code>[...]:</code> The pattern continues. </p>\n\n<hr>\n\n<p><strong>What is going on that affects the values of the labels during testing?</strong> Am I simply interpreting the use of <code>batch_size</code> and <code>test_iter</code> wrong, or am I missing something else?</p>\n", "Lable": "D"} | |
| {"QuestionId": 30574146, "AnswerCount": 1, "Tags": "<powershell><azure><azure-virtual-machine><startupscript><azure-automation>", "CreationDate": "2015-06-01T12:58:27.053", "AcceptedAnswerId": null, "Title": "What's the right way to run startup task for Azure Virtual Machine", "Body": "<p>We are running node application in Azure Virtual Machine, meanwhile we also want to restart VM at some certain time with the help of Azure Automation (or via management portal).</p>\n\n<p>But how can we restart the node application after VM restarted?</p>\n\n<p>We tried a lot of ways to achieve this, including add the Task Scheduler, add command to the registry key (<code>LocalMachine\\..\\Run</code>), use Custom Script Extension for VM ...</p>\n\n<p>All above failed. What we want is after the VM restart, the node application can be started automatically. If we then remote to the VM with predefined account, some of above ways can work. However, this is not the scenery, we only want to remote only once at the beginning, not every restart.</p>\n\n<p>So, what't the right way to achieve this, to start a process or execute a command after VM automatically restart without manually login?</p>\n", "Lable": "No"} | |
| {"QuestionId": 30613400, "AnswerCount": 3, "Tags": "<c><bitwise-operators><avr><bit-shift><unsigned-integer>", "CreationDate": "2015-06-03T07:22:36.300", "AcceptedAnswerId": "30613485", "Title": "Issue with uint64_t type", "Body": "<p>say I have the the following <code>union</code> :</p>\n\n<pre><code> typedef union\n{\n char array[8];\n uint64_t u64;\n} my_type ;\n</code></pre>\n\n<p>I want to shift one bit <code>1</code> through all the <code>64</code> bits the reserved, here is what I've tried :</p>\n\n<pre><code> ...........................\n my_type vector ={0};\n short index =0; \n for ( index=0 ; index <64;index++){\n printf(\" u64 : %d\\n\", vektor.u64);\n vektor.u64 = (1<<index) ;\n }\n</code></pre>\n\n<p>the output is fine tell the <code>15th</code>, and it's not the a problem with the <code>printf</code> parameters, the value is definitly wrong = 0 . here is the output : </p>\n\n<pre><code> u64 : 0\n u64 : 1\n u64 : 2\n u64 : 4\n u64 : 8\n u64 : 16\n u64 : 32\n u64 : 64\n u64 : 128\n u64 : 256\n u64 : 512\n u64 : 1024\n u64 : 2048\n u64 : 4096\n u64 : 8192\n u64 : 16384\n u64 : -32768\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n u64 : 0\n</code></pre>\n\n<p>So my question is, what I'm doing wrong ? By the way I'm using ATmelStudio6.2.</p>\n", "Lable": "No"} | |
| {"QuestionId": 30646854, "AnswerCount": 0, "Tags": "<python><pandas>", "CreationDate": "2015-06-04T14:37:59.240", "AcceptedAnswerId": null, "Title": "to_latex() produces incorrect result with MultiIndex DataFrame", "Body": "<p>I strongly suspect this is a bug with <code>0.16.1</code>, but can someone confirm that I'm not just being an idiot?</p>\n\n<p>The <code>df.to_latex()</code> method prints the data shifted down one row with respect to a <code>MultiIndex</code> (but does the right thing with a single-level index.)</p>\n\n<pre><code>import pandas as pd\nimport numpy as np\n\nc = ['GBR', 'USA', 'FRA']\nn = 5\nx = pd.DataFrame(np.round(np.random.random([n, 3]), 2))\nx['from'] = np.random.choice(c, size=n)\nx['to'] = np.random.choice(c, size=n)\n\nprint x \nprint x.set_index('from').to_latex()\nprint x.set_index(['from', 'to']).to_latex()\n</code></pre>\n\n<p>This results in:</p>\n\n<pre><code> 0 1 2 from to\n0 0.22 0.45 0.65 GBR FRA\n1 0.14 0.30 0.75 GBR USA\n2 0.10 0.92 0.25 FRA USA\n3 0.78 0.07 0.55 USA GBR\n4 0.24 0.32 0.28 FRA FRA\n\n# This table looks fine\n\\begin{tabular}{lrrrl}\n\\toprule\n{} & 0 & 1 & 2 & to \\\\\n\\midrule\nfrom & & & & \\\\\nGBR & 0.22 & 0.45 & 0.65 & FRA \\\\\nGBR & 0.14 & 0.30 & 0.75 & USA \\\\\nFRA & 0.10 & 0.92 & 0.25 & USA \\\\\nUSA & 0.78 & 0.07 & 0.55 & GBR \\\\\nFRA & 0.24 & 0.32 & 0.28 & FRA \\\\\n\\bottomrule\n\\end{tabular}\n\n# Look! This table is shifted down one row!\n\\begin{tabular}{llrrr}\n\\toprule\n & & 0 & 1 & 2 \\\\\n\\midrule\nGBR & FRA & & & \\\\\n & USA & 0.22 & 0.45 & 0.65 \\\\\nFRA & & 0.14 & 0.30 & 0.75 \\\\\nUSA & GBR & 0.10 & 0.92 & 0.25 \\\\\nFRA & FRA & 0.78 & 0.07 & 0.55 \\\\\n\\bottomrule\n\\end{tabular}\n</code></pre>\n", "Lable": "No"} | |
| {"QuestionId": 30652034, "AnswerCount": 2, "Tags": "<php><data-structures>", "CreationDate": "2015-06-04T19:03:59.590", "AcceptedAnswerId": "30652152", "Title": "How to write a structure into a file in PHP?", "Body": "<p>I have learned that to create a structure, I can create an array like so:</p>\n\n<pre><code>$MyStructure = array (\n 'id' => '12345',\n 'name' => 'myName');\n</code></pre>\n\n<p>I also know, to write into a file, I can use: </p>\n\n<pre><code>file_put_contents($fileName, $myTextToSave, FILE_APPEND);\n</code></pre>\n\n<p>But, this function stores it in simple text format.\nI want to know about functions such as in C-Language: <code>fwrite( &record, sizeof(struct myStructure), 1, fp );</code></p>\n\n<p>Is there any function in PHP which can store data in chunks of data-structure and then retrieve it in data structure format?</p>\n", "Lable": "No"} | |
| {"QuestionId": 30658095, "AnswerCount": 2, "Tags": "<solr><solr5>", "CreationDate": "2015-06-05T03:56:02.707", "AcceptedAnswerId": null, "Title": "Solr 5 custom field and filter", "Body": "<p>I'm new to solr. After i tried using Solr 5 client. I want to try Solr 5 source code. \nSo my questions are, </p>\n\n<ol>\n<li>can i create a custom field for my own core on solr 5 by editing\nschema.xml? if it's possible, please tell me the location (it wasn't in my conf folder, should i create a new one?). </li>\n<li>Is there any other method for adding a custom field other than using schema\napi?</li>\n<li>Everytime i try to create a new core and then index the files, there are only <code>currency.xml</code>, <code>elevate.xml</code>, <code>managed-schema</code>(generated schema), <code>params.json</code>, <code>protwords.txt</code>, <code>solrconfig.xml</code>, <code>stopwords.txt</code> <code>synonyms.txt</code> on my <code>conf</code> folder and there's no <code>schema.xml</code>. Did i miss something?</li>\n<li>Is there any simple tutorial to explain the custom filter on solr 5?</li>\n</ol>\n\n<p>I really appriciate your answer. Thank's</p>\n", "Lable": "No"} | |
| {"QuestionId": 30721145, "AnswerCount": 2, "Tags": "<bash><shell>", "CreationDate": "2015-06-09T00:24:16.847", "AcceptedAnswerId": null, "Title": "retrieve plaintext password from file using bash command", "Body": "<p>I want to read a value from a known file.</p>\n\n<p>File is located at /root/.my.cnf\nand contains</p>\n\n<pre><code>[client]\npassword='PosftGlK2y'\n</code></pre>\n\n<p>I would like to return <strong>PosftGlK2y</strong> - ideally using a simple one liner command.</p>\n\n<p>I have tried</p>\n\n<pre><code>cat /root/.my.cnf | grep password\n</code></pre>\n\n<p>which returns <strong>password='PosftGlK2y'</strong></p>\n\n<p>I am sure there is a better way.</p>\n", "Lable": "No"} | |
| {"QuestionId": 30778049, "AnswerCount": 2, "Tags": "<javascript><meteor><iron-router><meteor-helper>", "CreationDate": "2015-06-11T10:18:41.177", "AcceptedAnswerId": "30778213", "Title": "Meteor Iron-Router Registering helper with current route runs before router is loaded", "Body": "<p>Registering helper with current route returns error in console:</p>\n\n<pre><code>Exception in template helper: TypeError: Cannot read property 'getName' of undefined\n</code></pre>\n\n<p>And after Router is loaded - works fine.\nHow to get rid of this console error?</p>\n\n<p><strong>Helper code:</strong></p>\n\n<pre><code>if (Meteor.isClient) {\n\n // create global {{route}} helper\n Handlebars.registerHelper('route', function () {\n return Router.current().route.getName();\n });\n\n}\n</code></pre>\n", "Lable": "No"} | |
| {"QuestionId": 30999978, "AnswerCount": 1, "Tags": "<php><security><symfony>", "CreationDate": "2015-06-23T10:13:48.957", "AcceptedAnswerId": null, "Title": "symfony: defining logouts for multiple firewalls", "Body": "<p>I need to define logout paths for multiple firewalls in symfony 2. How do I configure my routing.yml file to allow for this?</p>\n\n<pre><code>security.yml\n\n firewalls:\n dev:\n pattern: ^/(_(profiler|wdt)|css|images|js)/\n security: false\n\n demo:\n pattern: ^/demo\n logout:\n path: /demo/logout\n target: /\n anonymous: ~\n http_basic: ~\n\n admin:\n pattern: /admin\n anonymous: ~\n http_basic: ~\n logout:\n path: /admin/logout\n target: /\n\n main:\n pattern: ^/\n anonymous: ~ \n\n access_control:\n - { path: ^/admin, roles: ROLE_ADMIN }\n - { path: ^/demo, roles: ROLE_USER }\n</code></pre>\n\n<p>I have tried the adding the following to my yaml file but I get a 404 on /demo/logout.</p>\n\n<p>routing.yml</p>\n\n<pre><code>logout:\n path: /admin/logout\n path: /demo/logout\n</code></pre>\n\n<p>one final related question: Can I define a single logout path for multiple firewalls?</p>\n", "Lable": "No"} | |
| {"QuestionId": 31025246, "AnswerCount": 2, "Tags": "<c#><types><delegates>", "CreationDate": "2015-06-24T11:24:31.790", "AcceptedAnswerId": "31025247", "Title": "Equivalent of typedef in c# for Action<> and/or Func<>", "Body": "<p>After googling it doesn't look promising, but I'm wondering if there is some way of aliasing or typedef'ing when using <code>Action<T></code> or <code>Func<in T, out TResult></code> in C#?</p>\n\n<p>I've already seen <a href=\"https://stackoverflow.com/q/161477/1548472\">Equivalent of typedef in c#</a>, which says that within one compile scope you can use the <code>using</code> construct for some cases, but that doesn't seem to apply to <code>Action</code>'s and <code>Func</code>'s as far as I can tell.</p>\n\n<p>The reason I want to do this is that I want an action to be used as a parameter to several functions, and if I, at some point in time, decide to change the action it's a lot of places to change both as parameter types and as variable types.</p>\n\n<pre><code>?typedef? MyAction Action<int, int>;\n\npublic static SomeFunc(WindowClass window, int number, MyAction callbackAction) {\n ...\n SomeOtherFunc(callbackAction);\n ...\n}\n\n// In another file/class/...\nprivate MyAction theCallback;\n\npublic static SomeOtherFunc(MyAction callbackAction) {\n theCallback = callbackAction;\n}\n</code></pre>\n\n<p>Are there some construct to use, which can define the <code>MyAction</code> as indicated in the code segment?</p>\n", "Lable": "No"} | |
| {"QuestionId": 31036680, "AnswerCount": 1, "Tags": "<python><numpy><ffi><theano><python-cffi>", "CreationDate": "2015-06-24T20:45:33.167", "AcceptedAnswerId": null, "Title": "Getting a C pointer to a function generated by Theano?", "Body": "<p>I would like to use a Theano function from C/Fortran code (in particular, I want to use an implicit ODE solver written in Fortran with a function created in Theano). Are there any examples/resources on how to do that?</p>\n", "Lable": "D"} | |
| {"QuestionId": 31040481, "AnswerCount": 0, "Tags": "<ruby>", "CreationDate": "2015-06-25T03:00:45.410", "AcceptedAnswerId": null, "Title": "How is the `break` keyword implemented in Ruby?", "Body": "<p>I looked around in the official documentation but I haven't found a description of how it actually works to terminate a loop.</p>\n", "Lable": "No"} | |
| {"QuestionId": 31045790, "AnswerCount": 0, "Tags": "<php><mysql><wordpress><advanced-custom-fields>", "CreationDate": "2015-06-25T09:02:59.437", "AcceptedAnswerId": null, "Title": "Advanced Custom Fields - Checkbox choice from other page", "Body": "<p>In a page I have a tab that has a checklist of all the hotels that have been made (can be posts or pages \u2013 whatever is easiest) . Then the name of the page / post is passed to populate the name of the checkbox (On the admin side in the dashboard) and then when I need to use the information in the code I can do so by searching the database for the rest of the values associated to that particular page.</p>\n\n<p><img src=\"https://i.stack.imgur.com/9KAH3.png\" alt=\"enter image description here\">\n<img src=\"https://i.stack.imgur.com/i5Bqy.png\" alt=\"enter image description here\"></p>\n\n<p>So a post I have created (or another page) can be selected as a checkbox option. That way the information I need from that page/post can be passed across by getting a header value out of it and then searching the database to get the rest of the information.</p>\n\n<p>Is there any way of doing this? If so how would I do it?</p>\n\n<p>Any help would be appreciated.</p>\n\n<p>Thank you</p>\n", "Lable": "No"} | |
| {"QuestionId": 31075436, "AnswerCount": 2, "Tags": "<ibm-cloud><websphere-liberty>", "CreationDate": "2015-06-26T14:12:16.143", "AcceptedAnswerId": null, "Title": "Bluemix and Liberty Profile 8.5.5.6", "Body": "<p>Liberty Profile 8.5.5.6, which is a full Java EE 7 implementation, was released yesterday.</p>\n\n<p>When will 8.5.5.6 be available on BlueMix?</p>\n", "Lable": "No"} | |
| {"QuestionId": 31096779, "AnswerCount": 1, "Tags": "<javascript><css><performance>", "CreationDate": "2015-06-28T06:22:40.917", "AcceptedAnswerId": "31098620", "Title": "javascript - recreation of pinterest like grid", "Body": "<p>I'm creating a grid like pinterest \nand everything is working fine except that getting the height of items in the code is too slow.<br>\nin my code, I have to get the height of last added element and add it to the height of the row, so for the next item I can set the top position to the height.<br>\nhere's the code:</p>\n\n<pre><code>testOne: function(itemArray, parent){\n // layout\n var layout = [];\n for(i in itemArray_){\n var item = itemArray[i];\n var template = this.template(item);\n // get smallest height\n var smallestHeight = layout[0];\n var smallestHeightRow = 0;\n for(i in layout){if(layout[i] < smallestHeight){smallestHeight = layout[i]; smallestHeightRow = i;}}\n // add item to screen\n parent.append(template);\n // add height of last item\n var item = parent.find(\"[item-id=\"+item._id+\"]\");\n item.css(\"top\", smallestHeight+15+\"px\");\n item.css(\"left\", smallestHeightRow*25+\"%\");\n var itemHeight = item[0].offsetHeight;\n layout[smallestHeightRow] = smallestHeight+itemHeight;\n }\n },\n</code></pre>\n\n<p>but the problem is, this process is fast except for getting the height of the element.<br>\nso without getting the height, the function takes about 20ms<br>\nbut getting the height adds another 75ms to the process and makes it about 95ms<br>\nnow my question is, how can I make the determination of the height a lot faster?</p>\n", "Lable": "No"} | |
| {"QuestionId": 31110081, "AnswerCount": 4, "Tags": "<c++>", "CreationDate": "2015-06-29T07:30:07.157", "AcceptedAnswerId": null, "Title": "why C++ assignment operator need a return type?", "Body": "<p>I was looking at the assignment operator of C++ class:</p>\n\n<pre><code>A& operator= (const A& x) {\n // do something \n return *this;\n}\n</code></pre>\n\n<p>However, why we need to return * this? Because if we call</p>\n\n<p>a = b \nb is the argument of operator=, this points to a. // do something already changed the proper content of a by copying from b. How is going to get the return type? what is the recipient of this return?</p>\n\n<p>Or, this is to facilitate a = b = c?</p>\n\n<p>Please advise.. Thanks!</p>\n", "Lable": "No"} | |
| {"QuestionId": 31192008, "AnswerCount": 1, "Tags": "<phpmyadmin><settings>", "CreationDate": "2015-07-02T18:27:26.110", "AcceptedAnswerId": null, "Title": "Mysql table record settigns are not displayed in phpmyadmin", "Body": "<p>I created a few tables in mysql. At some of them I can't see the buttons for removing/ editing etc. Here are two pictures where you can see what i mean.</p>\n\n<p>this is the table where all the buttons are there:</p>\n\n<p><img src=\"https://i.stack.imgur.com/TvahD.png\" alt=\"enter image description here\"></p>\n\n<p>this is the table where the buttons aren't there:</p>\n\n<p><img src=\"https://i.stack.imgur.com/NZYRx.png\" alt=\"enter image description here\"></p>\n\n<p>So what do i have to do for displaying these buttons? </p>\n\n<p>Thank you</p>\n", "Lable": "No"} | |