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Encode URL in JavaScript?
...ou safely encode a URL using JavaScript such that it can be put into a GET string?
19 Answers
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Strangest language feature
...st started using javascript using this sort of technique to add numbers in strings: "111" - -"222" gives 333 whereas "111" + "222" gives "111222".
– Callum Rogers
Jan 3 '10 at 16:03
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Do you need to dispose of objects and set them to null?
...ject references
Jon Skeet compared object references in Java to pieces of string that are attached to the balloon, which is the object. Same analogy applies to C# object references. They simply point to a location of the heap that contains the object. Thus, setting it to null has no immediate effec...
Clear back stack using fragments
...((AppCompatActivity)getContext()).getSupportFragmentManager().popBackStack(String name, FragmentManager.POP_BACK_STACK_INCLUSIVE)
Which will pop all states up to the named one. You can then just replace the fragment with what you want
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Clearing NSUserDefaults
...Defaults] to store application settings. This consists of roughly a dozen string values. Is it possible to delete these values permanently instead of just setting them to a default value?
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How do I set a column value to NULL in SQL Server Management Studio?
...value and clicking enter will not create a NULL value. If the column is a string datatype (varchar and the like), it will create an empty string. If the column is a numeric datatype (int and the like) it will pop up an Invalid Value error. And so on. NULL is the absence of a value, and is does no...
Is there a performance impact when calling ToList()?
...all files' names immediately into memory, it has a potential risk that the string[] costs a lot of memory, slowing down everything.
What should be done then
It depends. If you(as well as your business logic) gurantees that the file amount in the folder is always small, the code is acceptable. But ...
List of zeros in python [duplicate]
... to same id. This is not a problem with immutable objects like integers or strings but if you try to create list of mutable objects like a list of lists ([[]] * n) then all the elements will refer to the same object.
a = [[]] * 10
a[0].append(1)
a
> [[1], [1], [1], [1], [1], [1], [1], [1], [1],...
Why were pandas merges in python faster than data.table merges in R in 2012?
... may have discovered a known issue in data.table when the number of unique strings (levels) is large: 10,000.
Does Rprof() reveal most of the time spent in the call sortedmatch(levels(i[[lc]]), levels(x[[rc]])? This isn't really the join itself (the algorithm), but a preliminary step.
Recent effo...
How to save traceback / sys.exc_info() values in a variable?
...ionError"
exc_tuple[1] value will be "integer division or modulo by zero" (String passed as parameter to the exception class)
exc_tuple[2] value will be "trackback object at (some memory address)"
The above details can also be fetched by simply printing the exception in string format.
print str(...