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How to return dictionary keys as a list in Python?
... generalizations (PEP 448) were introduced with Python 3.5 allowing you to now easily do:
>>> newdict = {1:0, 2:0, 3:0}
>>> [*newdict]
[1, 2, 3]
Unpacking with * works with any object that is iterable and, since dictionaries return their keys when iterated through, you can easil...
jQuery validate: How to add a rule for regular expression validation?
...ent) || re.test(value);
},
"Please check your input."
);
now all you need to do to validate against any regex is this:
$("#Textbox").rules("add", { regex: "^[a-zA-Z'.\\s]{1,40}$" })
Additionally, it looks like there is a file called additional-methods.js that contains the method...
Swift make method parameter mutable?
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Thank you. This worked for now, but its like using pointers in C. Would this survive another Swift version?
– Krishna Vedula
Jul 26 '17 at 12:44
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Why cast an unused function parameter value to void?
...For example if you do have the following statement:
ud;
This warning is now suppressed. However now GCC will produce another warning:
unused.c:5:5: warning: statement with no effect [-Wunused-value]
ud;
^~
This warning tells that the statement ud;, while being syntactically valid C, ...
How to generate string of a certain length to insert into a file to meet a file size criteria?
...application written in C# which will automatically generate the files. I know the size of each file, ex. 100KB, and how many files to generate. What I need help with is how to generate a string less than or equal to the required file size.
...
How do CDI and EJB compare? interact?
...
It is currently indeed a bit confusing as there are now multiple component models in Java EE. They are CDI, EJB3 and JSF Managed Beans.
CDI is the new kid on the block. CDI beans feature dependency injection, scoping and an event bus. CDI beans are the most flexible with resp...
best way to get the key of a key/value javascript object
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You can now use spread operator for this purpose, it looks better: const [firstKey, ...rest] = Object.keys(obj);
– Nerlin
Dec 13 '17 at 21:08
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Why not be dependently typed?
...in this regard but that has not already made it into GHC. If anyone else knows more, I would be happy to be corrected.
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Is the safe-bool idiom obsolete in C++11?
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Wouldn't have been able to know that, sorry. I didn't consider only the answer linked at the beginning, but also the fact that the question is tagged [c++] and [c++-faq], that led me to think that evaluation of both stages of the language was relevant.
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Test if executable exists in Python?
... write it (I admit my formulation was not clear enough in the fact that I know what which does).
– Piotr Lesnicki
Dec 18 '08 at 12:48
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