longtext

问题 I've using Laravel, loading a db row into an Eloquent object. One of the columns is longtext, a JSON encoded array > 2 million characters long. The original error I was getting was json_decode failing on this column's value. I tested in tinker. Simplified test code: $item = Item::find(1); echo $item->long_text_field; var_dump(json_decode($item->long_text_field)); echo strlen($item->long_text_field); On my local vagrant instance this shows the correct values. ...long json array in text, same

问题 I've using Laravel, loading a db row into an Eloquent object. One of the columns is longtext, a JSON encoded array > 2 million characters long. The original error I was getting was json_decode failing on this column's value. I tested in tinker. Simplified test code: $item = Item::find(1); echo $item->long_text_field; var_dump(json_decode($item->long_text_field)); echo strlen($item->long_text_field); On my local vagrant instance this shows the correct values. ...long json array in text, same

问题 I've using Laravel, loading a db row into an Eloquent object. One of the columns is longtext, a JSON encoded array > 2 million characters long. The original error I was getting was json_decode failing on this column's value. I tested in tinker. Simplified test code: $item = Item::find(1); echo $item->long_text_field; var_dump(json_decode($item->long_text_field)); echo strlen($item->long_text_field); On my local vagrant instance this shows the correct values. ...long json array in text, same

问题 I trying to output an array from the database to the screen. In my entity: /** * @ORM\Column(type="array", nullable=true) */ private $category; In my twig template: {% for category in user.profile.category %} {{ category }} {% endfor %} Error: Array to string conversion in ... Where is my mistake? 回答1: TWIG doesn't know how you want to display your table. By the way, you should consider naming your variable $categories instead of $category , as you table contains several categories. Then try

问题 I'm creating a log table in my MySQL database. One of the field will be only used in approximately 5% of the logs and will contains stack traces and others lengthy informations for the developers. I was considering using the LONGTEXT field but I was wondering if using this would make my database grow very quickly, even if this column is empty in 95% of the rows. So my question in clear, is there a memory consumption of having a LONGTEXT column even when this column is empty in most of the

问题 I have a button, and when i click to it, i make textView.setText() a very big text, 50000 symbols, and the interface stops for 3 seconds, how can i fix it? I tried to make it with Handle and thread, but it hasn`t helped. I tried to make textview.append() , but it also hasn`t helped. MainActivity.this.runOnUiThread(new Runnable() { @Override public void run() { textText.append(rowItemHeader.getText().substring((endOfNews - 10000, endOfNews)); } }); Edit 1 no result private class MyTask extends

问题 I have the following JPA SqlResultSetMapping: @SqlResultSetMappings({ @SqlResultSetMapping(name="GroupParticipantDTO", columns={ @ColumnResult(name="gpId"), @ColumnResult(name="gpRole"), // @ColumnResult(name="gpRemarks") } ) Which is used like this: StringBuilder sbQuery = new StringBuilder("Select "); sbQuery.append(" gpId, "); sbQuery.append(" gpRole, "); // sbQuery.append(" gpRemarks "); sbQuery.append(" FROM v_group_participants_with_details "); Query query = em.createNativeQuery(sbQuery

问题 So I am trying to pull data from SAP using excel macros. I am new to VBA so please bear with me. I found a topic on here called VBA pulling data from SAP for dummies and I am confused. What I am trying to do is as follows: Copy a notification number from a list in excel. Go to the appropriate screen in SAP and paste this number in the search box. Open the long text box. Copy the long text. Paste into excel. Here is the link VBA pulling data from SAP for dummies I can't seem to get by Set

问题 So I am trying to pull data from SAP using excel macros. I am new to VBA so please bear with me. I found a topic on here called VBA pulling data from SAP for dummies and I am confused. What I am trying to do is as follows: Copy a notification number from a list in excel. Go to the appropriate screen in SAP and paste this number in the search box. Open the long text box. Copy the long text. Paste into excel. Here is the link VBA pulling data from SAP for dummies I can't seem to get by Set

问题 One of my entities Machinery has got a String property called notes . JPA 2-Hibernate generates the schema for me, in my case the RDBMS is a MySQL. notes is created as a VARCHAR(255) column, which is right. Users begin to create records and all works perfectly, but then some users get the infamous Data too long for column "notes" error. That field hasn't enough room for user's machinery notes! Ok, no problem. Let's change the schema! So, I open my entity class and change my property to: