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Thread Safety in Python's dictionary
.../docs.python.org/glossary.html#term-global-interpreter-lock
This simplifies the CPython implementation by making the object model (including critical built-in types such as dict) implicitly safe against concurrent access.
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Dialog to pick image from gallery or from camera
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Camera permission is now needed to open camera intent @tasomaniac
– Saad Bilal
Feb 17 '17 at 10:32
27
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How exactly does a generator comprehension work?
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Do you understand list comprehensions? If so, a generator expression is like a list comprehension, but instead of finding all the items you're interested and packing them into list, it waits, and yields each item out of the expression, one by one.
>>> my...
How does HTTP file upload work?
... uploaded file determined by browser?
application/x-www-form-urlencoded
Now change the enctype to application/x-www-form-urlencoded, reload the browser, and resubmit.
Firefox sent:
POST / HTTP/1.1
[[ Less interesting headers ... ]]
Content-Type: application/x-www-form-urlencoded
Content-Length:...
Why does calling a function in the Node.js REPL with )( work?
...changed for 0.11.x, which will just wrap { ... } rather than all input:
if (/^\s*\{/.test(evalCmd) && /\}\s*$/.test(evalCmd)) {
// It's confusing for `{ a : 1 }` to be interpreted as a block
// statement rather than an object literal. So, we first try
// to wrap it in parenth...
What APIs are used to draw over other apps (like Facebook's Chat Heads)?
... that events outside of your display area go to the underlying UIs. You'll now find it works, but that other bad things still happen, like the back/menu buttons don't get directed to apps, plus no keyboard. To solve that you need FLAG_NOT_FOCUSABLE.
You get a side effect from the non-focusable bit ...
Unicode (UTF-8) reading and writing to files in Python
...swered Jan 29 '09 at 15:11
unbeknownunbeknown
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commandButton/commandLink/ajax action/listener method not invoked or input value not set/updated
...So, if they were originally sitting inside a <form>, then they would now not anymore sit in a <form>. See also p:commandbutton action doesn't work inside p:dialog
Bug in the framework. For example, RichFaces has a "conversion error" when using a rich:calendar UI element with a defaultLa...
How to convert Strings to and from UTF8 byte arrays in Java
...will not report any problems in the conversion. This may be what you want. If not, it is recommended to use CharsetEncoder instead.
– Michael Piefel
Aug 17 '11 at 20:57
7
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How to write log base(2) in c/c++
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If you're looking for an integral result, you can just determine the highest bit set in the value and return its position.
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