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If isset $_POST
...
Since !empty() is already checks for both, you can use this:
if (!empty($_POST["mail"])) {
echo "Yes, mail is set";
} else {
echo "No, mail is not set";
}
share
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improve this answe...
How do you create a random string that's suitable for a session ID in PostgreSQL?
...of an MD5 string is always 32 characters. If you wanted a string of length 64, you could concatenate 2 MD5 strings: SELECT concat(md5(random()::text), md5(random()::text)); And if you wanted somewhere in the middle (50 chars for example), you could take a substring of that: SELECT subs...
What's the common practice for enums in Python? [duplicate]
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@Joan You could do _unused, Shaded, Shiny, Transparent, Matte = range(5)
– zekel
Dec 9 '10 at 2:12
81
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Load and execute external js file in node.js with access to local variables?
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64
If you are writing code for Node, using Node modules as described by Ivan is without a doubt t...
MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
...个students集合，集合中数据如下：
> db.students.find()
{ "_id" : ObjectId("5031143350f2481577ea81e5"), "classid" : 1, "age" : 20, "name" : "kobe" }
{ "_id" : ObjectId("5031144a50f2481577ea81e6"), "classid" : 1, "age" : 23, "name" : "nash" }
{ "_id" : ObjectId("5031145a50f2481577ea81...
iOS 7 TableView like in Settings App on iPad
...he same Settings app rounded look on the tableviewcells. My answer is also based on a SO answer for how to set cornerRadius for only top-left and top-right corner of a UIView?.
- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)inde...
What to put in a python module docstring? [closed]
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NAME
x - This module does blah blah.
FILE
/tmp/x.py
CLASSES
__builtin__.object
Blah
class Blah(__builtin__.object)
| This class does blah blah.
|
| Data and other attributes defined here:
|
| __dict__ = <dictproxy object>
| ...
Logging uncaught exceptions in Python
...access the type object inside your function, in which case you can use type_ as the argument instead.
– Ryan P
Jan 2 '13 at 17:08
3
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Storing R.drawable IDs in XML array
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to make a phone call in android and come back to my activity when the call is done?
...ener actions to wait for a the call to start (wait until changed from PHONE_STATE_OFFHOOK to PHONE_STATE_IDLE again) and then write some code to bring your app back up on the IDLE state.
you may need to run the listener in a service to ensure it stays up and your app is restarted. some example c...