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How to convert java.util.Date to java.sql.Date?
I am trying to use a java.util.Date as input and then creating a query with it - so I need a java.sql.Date .
18 Answer...
Is it better to reuse a StringBuilder in a loop?
I've a performance related question regarding use of StringBuilder.
In a very long loop I'm manipulating a StringBuilder and passing it to another method like this:
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What is a word boundary in regex?
I am using Java regexes in Java 1.6 (to parse numeric output, among other purposes) and cannot find a precise definition of \b ("word boundary"). I had assumed that -12 would be an "integer word" (matched by \b\-?\d+\b ) but it appears that this does not work. I'd be grateful to know of ways ...
Create or write/append in text file
I have a website that every time a user logs in or logs out I save it to a text file.
7 Answers
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Hashing a dictionary?
For caching purposes I need to generate a cache key from GET arguments which are present in a dict.
11 Answers
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How do I restart a WPF application? [duplicate]
How can I restart a WPF Application?
In windows Forms I used
8 Answers
8
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What is exactly the base pointer and stack pointer? To what do they point?
Using this example coming from wikipedia, in which DrawSquare() calls DrawLine(),
8 Answers
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What is fastest children() or find() in jQuery?
To select a child node in jQuery one can use children() but also find().
6 Answers
6
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How do I kill all the processes in Mysql “show processlist”?
...ne by one, MySQL does not have any massive kill command. You can script it in any language, for example in PHP you can use something like:
$result = mysql_query("SHOW FULL PROCESSLIST");
while ($row=mysql_fetch_array($result)) {
$process_id=$row["Id"];
if ($row["Time"] > 200 ) {
$sql="KI...
What is a “feature flag”?
... of your application on/off at easily:
perhaps via a re-deploy, or
some internal page where pages/features can be toggled live.
I guess the example there was that it's handy to have the control to reduce the feature-set somewhat if you need to, say, reduce db queries if the load is too high.
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