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Checking if array is multidimensional or not?
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Use count() twice; one time in default mode and one time in recursive mode. If the values match, the array is not multidimensional, as a multidimensional array would have a higher recursive count.
if (count($array) == count($array, COUNT_RECUR...
What is RemoteSystemsTempFiles in Eclipse?
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Does anyone know which eclipse setting will turn this off completely? I don't want RemoteSystemsTempFiles to be recreated every time I use eclipse.
– joelittlejohn
May 20 '11 at 13:46
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Most efficient way to make the first character of a String lower case?
...ements. First if was removed because of the testing assumption. The second one was removed, because it was violating correctness (i.e. input "HI" would return "HI"). This was almost the fastest.
char c[] = string.toCharArray();
c[0] = Character.toLowerCase(c[0]);
string = new String(c);
test3 was ...
Get the current language in device
...ill never come to the top, because people don't see it as often as the top one. Is it okay if we add it in there with a note that it came from this answer?
– Patrick Boos
Apr 22 '15 at 14:35
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Why is “a” != “a” in C?
...ing on your compiler, which may combine equal strings at compile time into one to save space.
When you're comparing two character values (which are not pointers), it is a numeric comparison. For example:
'a' == 'a' // always true
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defaultdict of defaultdict?
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result = partial(defaultdict, default_factory)
for _ in repeat(None, depth - 1):
result = partial(defaultdict, result)
return result()
The depth defines the number of nested dictionary before the type defined in default_factory is used.
For example:
my_dict = nested_default...
How should I cast in VB.NET?
...string, use this. This is the same as (string)var in C#.
TryCast (as mentioned by @NotMyself) is like DirectCast, but it will return Nothing if the variable can't be converted into a string, rather than throwing an exception. This is the same as var as string in C#. The TryCast page on MSDN has a...
How to delete selected text in the vi editor
...To remove 5 lines, either:
Go to the first line and type d5d (dd deletes one line, d5d deletes 5 lines) ~or~
Type Shift-v to enter linewise selection mode, then move the cursor down using j (yes, use h, j, k and l to move left, down, up, right respectively, that's much more efficient than using th...
Download File to server from URL
Well, this one seems quite simple, and it is. All you have to do to download a file to your server is:
10 Answers
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Alternate output format for psql
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\x alone will toggle the value, saving you three keystrokes! (Useful when you rapidly switch between wide and narrow outputs).
– msanford
Aug 27 '15 at 15:18
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