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Download multiple files with a single action
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HTTP does not support more than one file download at once.
There are two solutions:
Open x amount of windows to initiate the file downloads (this would be done with JavaScript)
preferred solution create a script to zip the file...
How to convert a std::string to const char* or char*?
... = str.c_str();
If you want to get a writable copy, like char *, you can do that with this:
std::string str;
char * writable = new char[str.size() + 1];
std::copy(str.begin(), str.end(), writable);
writable[str.size()] = '\0'; // don't forget the terminating 0
// don't forget to free the string ...
How to initialize all members of an array to the same value?
...he corresponding elements will be initialized to 0), there's no easy way.
Don't overlook the obvious solution, though:
int myArray[10] = { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 };
Elements with missing values will be initialized to 0:
int myArray[10] = { 1, 2 }; // initialize to 1,2,0,0,0...
So this w...
How to listen for changes to a MongoDB collection?
...nserts to a MongoDB collection before spawning workers to process the job? Do I need to poll every few seconds to see if there are any changes from last time, or is there a way my script can wait for inserts to occur? This is a PHP project that I am working on, but feel free to answer in Ruby or lan...
How can I specify the base for Math.log() in JavaScript?
... Added an image with the formula and linked to Wikipedia if you don't mind.
– Anurag
Jun 10 '10 at 23:40
13
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Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/
I have a stylesheet that loads images from an external domain and I need it to load from https:// from secure order pages and http:// from other pages, based on the current URL. I found that starting the URL with a double slash inherits the current protocol. Do all browsers support this technique?...
jQuery click not working for dynamically created items [duplicate]
... jQuery that loops through each element in a given div( #container ) and does a javascript alert each time a span is clicked. This works fine if the <span> 's are static.
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How to use Comparator in Java to sort
... @Esko: because of what polygenelubricants mentioned, I simply always do it like that, even though for an age (which will not become very large) the subtraction like you mention would do.
– Bart Kiers
May 15 '10 at 7:33
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Function pointers, Closures, and Lambda
...lates both the function pointer and variables. This is why, in C#, you can do:
int lessThan = 100;
Func<int, bool> lessThanTest = delegate(int i) {
return i < lessThan;
};
I used an anonymous delegate there as a closure (it's syntax is a little clearer and closer to C than the lambda ...
How to elegantly rename all keys in a hash in Ruby? [duplicate]
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I noticed that ages.map! doesn't seem to work... so had to do ages = Hash[ages.map {|k, v| [mappings[k] || k, v] }] to be able to call the variable again with the mapping.
– Chanpory
Nov 9 '10 at 20:32
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