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How to drop a list of rows from Pandas dataframe?
... Folks, in examples, if you want to be clear, please don't use the same strings for rows and columns. That's fine for those who really know their stuff already. Frustrating for those trying to learn.
– gseattle
Mar 19 '17 at 7:40
...
How can I “pretty print” a Duration in Java?
...ix("m")
.appendSeconds()
.appendSuffix("s")
.toFormatter();
String formatted = formatter.print(duration.toPeriod());
System.out.println(formatted);
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...
In Android EditText, how to force writing uppercase?
... }
@Override
public void afterTextChanged(Editable et) {
String s=et.toString();
if(!s.equals(s.toUpperCase()))
{
s=s.toUpperCase();
edittext.setText(s);
edittext.setSelection(edittext.length()); //fix reverse texting
}
}
});
...
How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?
...ayoutParams. You'll be using RelativeLayout.LayoutParams#addRule(int verb) and RelativeLayout.LayoutParams#addRule(int verb, int anchor)
You can get to it via code:
RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams)button.getLayoutParams();
params.addRule(RelativeLayout.ALIGN_PAREN...
How to find out the MySQL root password
...wing queries to change the password:
UPDATE mysql.user SET authentication_string=PASSWORD('password') WHERE User='root';
FLUSH PRIVILEGES;
In MySQL 5.7, the password field in mysql.user table field was removed, now the field name is 'authentication_string'.
Quit the mysql safe mode and start mys...
App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
...top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}
Scala how can I count the number of occurrences in a list
... to elements so it knows how to group them. An alternative to grouping the strings in the answer by their identities could be, say, grouping by their length (groupBy(_.size)) or by their first letter (groupBy(_.head)).
– ohruunuruus
Nov 9 '16 at 15:35
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Google Chrome Extensions - Can't load local images with CSS
... @Salem It would be inconvenient to develop as unpacked extension id and uploaded to the gallery one have different ids. It's not the end of the world, just inconvenience and sort of bad practice, just like hardcoding absolute file pathes in the code for example.
– serg
...
How do I send a POST request with PHP?
...Submit' => 'Submit'
];
//url-ify the data for the POST
$fields_string = http_build_query($fields);
//open connection
$ch = curl_init();
//set the url, number of POST vars, POST data
curl_setopt($ch,CURLOPT_URL, $url);
curl_setopt($ch,CURLOPT_POST, true);
curl_setopt($ch,CURLOPT_POSTFIE...
How do I iterate over a JSON structure? [duplicate]
...
@AlexanderSupertramp it is set using array literal notation with objects in object literal notation. In JavaScript arrays are essentially also objects. So I would still refer to the arr is set using JSON.
– Y...