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Why do C++ libraries and frameworks never use smart pointers?
...>
... Assign (SmartPointer<T> &p)
{
// use move sematics or whateve appropriate
}
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Is there any way to view the currently mapped keys in Vim?
... and :redir allow post-search refinement.
They are a perfect mix to show what command is bind to what shortcut and viceversa, but if you want to search some keys and avoid temp files whenever you need to search mappings, take a look to scriptease and :Verbose command.
It is a wrapper on :verbose...
How do I convert from BLOB to TEXT in MySQL?
...as been stored in a blob in MySQL. For ease of handling I'd like to change the format in the database to TEXT... Any ideas how easily to make the change so as not to interrupt the data - I guess it will need to be encoded properly?
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How to decompile a whole Jar file? [closed]
...with a jar: since 0.2.5, All files, in JAR files, are displayed.
See also the question "How do I “decompile” Java class files?".
The JD-Eclipse doesn't seem to have changed since late 2009 though (see Changes).
So its integration with latest Eclipse (3.8, 4.2+) might be problematic.
JD-Core is ...
Turn a number into star rating display using jQuery and CSS
...on: 0 0;
}
Image
(source: ulmanen.fi)
Note: do NOT hotlink to the above image! Copy the file to your own server and use it from there.
jQuery
$.fn.stars = function() {
return $(this).each(function() {
// Get the value
var val = parseFloat($(this).html());
/...
How can I use jQuery in Greasemonkey scripts in Google Chrome?
...pendChild(script);
}, false);
document.body.appendChild(script);
}
// the guts of this userscript
function main() {
// Note, jQ replaces $ to avoid conflicts.
alert("There are " + jQ('a').length + " links on this page.");
}
// load jQuery and execute the main function
addJQuery(main);
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Generate random integers between 0 and 9
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Just a note, these are pseudorandom numbers and they are not cryptographically secure. Do not use this in any case where you don't want an attacker to guess your numbers. Use the secrets module for better random numbers. Reference: docs.p...
Create a hexadecimal colour based on a string with JavaScript
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Just porting over the Java from Compute hex color code for an arbitrary string to Javascript:
function hashCode(str) { // java String#hashCode
var hash = 0;
for (var i = 0; i < str.length; i++) {
hash = str.charCodeAt(i) + (...
Only one expression can be specified in the select list when the subquery is not introduced with EXI
...o do a count on the same column twice, superficially it looks redundant to what you are doing. The subquery here is only a filter it is not the same as a join. i.e. you use it to restrict data, not to specify what columns to get back.
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Run a JAR file from the command line and specify classpath
I've compiled a JAR file and specified the Main-Class in the manifest (I used the Eclipse Export function). My dependencies are all in a directory labeled lib . I can't seem to get a straight answer on how to execute my JAR file while specifying it should use the lib/* as the classpath.
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