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How do I exit a WPF application programmatically?
...he few years I've been using C# (Windows Forms), I've never used WPF. But, now I love WPF, but I don't know how I am supposed to exit my application when the user clicks on the Exit menu item from the File menu.
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Detecting arrow key presses in JavaScript
... use event.key. No more arbitrary number codes! If you are transpiling or know your users are all on modern browsers, use this!
node.addEventListener('keydown', function(event) {
const key = event.key; // "ArrowRight", "ArrowLeft", "ArrowUp", or "ArrowDown"
});
Verbose Handling:
switch (event.k...
Running a Python script from PHP
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If you want to know the return status of the command and get the entire stdout output you can actually use exec:
$command = 'ls';
exec($command, $out, $status);
$out is an array of all lines. $status is the return status. Very useful for ...
How to support placeholder attribute in IE8 and 9
...I upvoted this because I love the idea of a non-jquery solution, but right now this code has problems in IE8 so it's not suitable for me. github.com/jamesallardice/Placeholders.js/issues/17
– Dan Searle
Jun 28 '13 at 11:04
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Remove CSS from a Div using JQuery
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@Aruna: I'm a little scared now - how are you putting the style on the element? If your CSS isn't in a stylesheet/block it's not CSS.
– annakata
Jun 5 '09 at 11:13
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Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward
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I'm now using Oracle with Java. Here my point of view :
You should close ResultSet and Statement explicitly because Oracle has problems previously with keeping the cursors open even after closing the connection. If you don't clo...
How to set Sqlite3 to be case insensitive when string comparing?
...Text_Value collate nocase);
Expressions involving Test.Text_Value should now be case insensitive. For example:
sqlite> select Text_Value from Test where Text_Value = 'B';
Text_Value
----------------
b
sqlite> select Text_Value from Test order by Text_Value;
Text_Val...
Java String to SHA1
..."my string") instead of reinventing the wheel (though it's interesting to know how to convert to hex by hand)?
– Jon Onstott
Jun 23 '15 at 15:34
3
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How to get a list of repositories apt-get is checking? [closed]
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Downvoted (for now) with comment: Please show us how to capture this output and convert it to the answer to the question, i.e. each time we do apt update, how do we filter that output/text to extract the information relevant to this ques...
Why “no projects found to import”?
...a project but it did not create files associated with the project. Do you know why?
– Roman
Apr 14 '10 at 14:18
1
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