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Why can't I call read() twice on an open file?
... is Tell which returns the position along the file. May be the Python file api can combine read and seek into a read_from(position,bytes) to make it simpler - till that happens you should read this page.
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make arrayList.toArray() return more specific types
...rayList.toArray(new Custom[0]);
http://download.oracle.com/javase/7/docs/api/java/util/ArrayList.html#toArray%28java.lang.Object[]%29
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Chrome hangs after certain amount of data transfered - waiting for available socket
... to use multiple sound effects for a web game, you could use the Web Audio API. Or to simplify things, just use a library like SoundJS, which is a great tool for playing a large amount of sound effects / music tracks simultaneously.
Solution 3: Force-open Sockets (Not recommended)
If you must, you...
JavaScript: client-side vs. server-side validation
...or us that they provide error messages in the returned HTML. Of course, an API would have been nice, but this was what we had to do.)
Not allowing for that is not only naive from a security standpoint, but also non-standard: a client should be allowed to send HTTP by whatever means they wish, and y...
How to check if command line tools is installed
...ee Yosemite Update.
10.12 Sierra Update:
See Yosemite Update.
10.11 El Capitan Update:
See Yosemite Update.
10.10 Yosemite Update:
Just enter in gcc or make on the command line! OSX will know that you do not have the command line tools and prompt you to install them!
To check if they exist,...
What is the best way to filter a Java Collection?
...vice.isAuthorized(u);
return isAuthorized;
}).findFirst();
The JDK 8 API for optionals has the ability to get(), isPresent(), orElse(defaultUser), orElseGet(userSupplier) and orElseThrow(exceptionSupplier), as well as other 'monadic' functions such as map, flatMap and filter.
If you want to s...
Set TextView text from html-formatted string resource in XML
...amp;#38; or &
That means you can add your HTML markup without escaping the tags:
<string name="my_string"><b>Hello World!</b> This is an example.</string>
However, to be sure, you should only use <b>, <i> and <u> as they are listed in the docume...
Facebook Architecture [closed]
... (for obvious security and copyright reasons), but just take a look at the API. Look at how often it changes and how much of it doesn't work properly, anymore, or at all.
I think the biggest ace up their sleeve is the Hiphop.
http://developers.facebook.com/blog/post/358
You can use HipHop yourself...
Avoiding SQL injection without parameters
...perhaps saving the server a step when running the query.
Additionally, escaping single quotes isn't good enough. Many DB products allow alternate methods for escaping characters that an attacker could take advantage of. In MySQL, for example, you can also escape a single quote with a backslash. ...
Entity Framework 4 Single() vs First() vs FirstOrDefault()
...type is a reference type) when there is no item.
This is the behavior the API is supposed to have. Note however that the underlying implementation could have a different behavior. While Entity Framework obeys this, a O/RM like LLBLGen can also return null when calling First which is a very strange ...