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Create a File object in memory from a string in Java
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Usually when a method accepts a file, there's another method nearby that accepts a stream. If this isn't the case, the API is badly coded. Otherwise, you can use temporary files, where permission is usually granted in many cases. If it's applet, you can request write permission.
An exampl...
How do I check the operating system in Python?
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You can get a pretty coarse idea of the OS you're using by checking sys.platform.
Once you have that information you can use it to determine if calling something like os.uname() is appropriate to gather more specific information. You could also use something like Python System I...
Why does [5,6,8,7][1,2] = 8 in JavaScript?
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SQL set values of one column equal to values of another column in the same table
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Copy table without copying data
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the result given by show create table bar is already executable, if the script has the permission to create tables, you could parse it and then execute alter table statements too.
– Timo Huovinen
Feb 5 '...
Using reflect, how do you set the value of a struct field?
...e marshals and unmarshals JSON from and to Go structures.
Here's a step-by-step example which sets the value of a struct field while carefully avoiding errors.
The Go reflect package has a CanAddr function.
func (v Value) CanAddr() bool
CanAddr returns true if the value's
address can be ...
Compare dates in MySQL
...nswered Sep 6 '10 at 13:55
Mark ByersMark Byers
684k155155 gold badges14681468 silver badges13881388 bronze badges
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Using print statements only to debug
..._dict_structure)
which will, again, avoid the overhead if you disable it by doing:
def debug_noop(*args, **kwargs):
pass
debug = debug_noop
The overhead of computing those strings probably doesn't matter unless they're either 1) expensive to compute or 2) the debug statement is in the midd...
How can I display a pdf document into a Webview?
...PDF Viewer to read your pdf online:
WebView webview = (WebView) findViewById(R.id.webview);
webview.getSettings().setJavaScriptEnabled(true);
String pdf = "http://www.adobe.com/devnet/acrobat/pdfs/pdf_open_parameters.pdf";
webview.loadUrl("https://drive.google.com/viewerng/viewer?embedded=true&...
Big O of JavaScript arrays
Arrays in JavaScript are very easy to modify by adding and removing items. It somewhat masks the fact that most languages arrays are fixed-size, and require complex operations to resize. It seems that JavaScript makes it easy to write poorly performing array code. This leads to the question:
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