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Issue downloading JSON objects in iOS


Issue downloading JSON objects in iOS

By : mohamed najiaboo
Date : November 18 2020, 11:13 AM
I wish this help you Download your image in background task, doing network operation in main thread cause verious problem:
For downloading image in background task you can do this:
code :
if(imageURL != nil && ![imageURL isEqual:[NSNull null]])
{
    [logo appendString:imageURL];
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{
        NSURL *logoURL = [NSURL URLWithString:logo];
        NSData *logoData = [NSData dataWithContentsOfURL:logoURL];
        dispatch_async(dispatch_get_main_queue(), ^{
            if (logoData.length) {
                cell.imagen_label.image = [UIImage imageWithData:logoData];
            }else{
                cell.imagen_label.image = [UIImage imageNamed:@"no_image-512.png"];
            }
        });
    });
}


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JavaScript Issue with JSON objects

JavaScript Issue with JSON objects


By : Shigeo Otake
Date : March 29 2020, 07:55 AM
To fix the issue you can do I've got a function that queries my database and gets a list of usernames-- I've pasted it below: *dbQuery.jsp*
code :
users[0].getAttribute('username')
users[0].username
having issue looping through json objects

having issue looping through json objects


By : jparsons
Date : March 29 2020, 07:55 AM
hop of those help? I have array like following , You need to specify the object you're looping through:
code :
<% _.each(data,function (elem) { %>
    <li>
        <span class="time"><%= elem.date %></span>
        <p><%= elem.title %></p>
        <p><%= elem.desc %></p>
    </li>
<% }); %>
Loop through json array of objects issue

Loop through json array of objects issue


By : Manoj Sundar
Date : March 29 2020, 07:55 AM
wish of those help Hi I'm trying to loop through a json array of objects but I literally get nothing back, here is my attempt. , Try:
code :
foreach ($json_output->results as $object){
    print "{$object->title}\n";
}
Issue loading serialized json objects back

Issue loading serialized json objects back


By : Krithika S
Date : March 29 2020, 07:55 AM
To fix this issue I wrote some data to a file using json.dumps. I'm now trying to read this data in another tool using json.load and json.loads and getting this error: , 1)try to catch any Exceptions:
code :
  try:
    data = json.loads(line.rstrip())
  except ValueError as ve:
    print "ERROR: {0} cannot be parsed, exception message:{1}".format(line, ve)
    continue
Python 2.7.10 (default, Oct 23 2015, 18:05:06)
[GCC 4.2.1 Compatible Apple LLVM 7.0.0 (clang-700.0.59.5)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import json
>>> json.loads('{"sample": 309896986, "data": {"value": 2}, "samples": 319049477, "startTime": "20151213T00:01:47"}')
{u'sample': 309896986, u'data': {u'value': 2}, u'startTime': u'20151213T00:01:47', u'samples': 319049477}
with open("sample.csv") as f:
    for line in f:
        data = json.loads(line.rstrip())
        print(data)
Issue with getting php objects from JSON array

Issue with getting php objects from JSON array


By : Hardik Ghoshal
Date : March 29 2020, 07:55 AM
wish of those help This is the decoded array which i'm getting from url using php curl method, , if your variable name is $data where you are storing your this array,
code :
echo $data['result'][0]['name'];
echo $data['result'][0]['office'];
foreach($data['result'] as $res){
   echo $res['name'];
   echo $res['office']; //if office there
   echo $res['age'];
}
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