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Change Image of ImageView programmatically in Android
...dResource(R.drawable.thumbs_down);
Here's a thread that talks about the differences between the two methods.
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Is there a portable way to get the current username in Python?
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That does not work if you've done a su. $ echo $USER hithwen $ su julia Password: $ echo $USER julia $ python >>> import getpass >>> getpass.getuser() 'hithwen'
– hithwen
Jan 23 '13 at 9:...
How to sort Map values by key in Java?
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Short answer
Use a TreeMap. This is precisely what it's for.
If this map is passed to you and you cannot determine the type, then you can do the following:
SortedSet<String> keys = new TreeSet<>(map.keySet());
for (String key : keys) {
String value = map.get(key);
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How to build query string with Javascript
Just wondering if there is anything built-in to Javascript that can take a Form and return the query parameters, eg: "var1=value&var2=value2&arr[]=foo&arr[]=bar..."
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Get JSON object from URL
.../ in most cases, you should set it to true
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL, 'url_here');
$result = curl_exec($ch);
curl_close($ch);
$obj = json_decode($result);
echo $obj->access_token;
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How SID is different from Service name in Oracle tnsnames.ora
...me = alias to an INSTANCE (or many instances). The main purpose of this is if you are running a cluster, the client can say "connect me to SALES.acme.com", the DBA can on the fly change the number of instances which are available to SALES.acme.com requests, or even move SALES.acme.com to a completel...
Python SQL query string formatting
...String Literal Concatenation (http://docs.python.org/), which could be qualified a somewhere between Option 2 and Option 4
Code Sample:
sql = ("SELECT field1, field2, field3, field4 "
"FROM table "
"WHERE condition1=1 "
"AND condition2=2;")
Works as well with f-strings:
fie...
How to know when UITableView did scroll to bottom in iPhone
...ar the bottom of the screen, and then using the indexPath it returns check if that indexPath is the last row then if it is, add rows.
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Adding rounded corner and drop shadow to UICollectionViewCell
...ts on adding 2nd view for adding shadow, but I still cannot get it to work if I want to add it in UICollectionViewCell . I subclassed UICollectionViewCell , and here is my code where I add various UI elements to the cell's content view and adding shadow to the layer:
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MySQL Cannot Add Foreign Key Constraint
... database as a project requirement and it worked the first time or two on different tables, but I have two tables on which I get an error when trying to add the Foreign Key Constraints.
The error message that I get is:
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