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Delete newline in Vim
...nly happen on the line the cursor is on. Alternatively, you can specify a range such as :11,15s/\n/ (lines 11-15) or :,+7s/\n/ (this line and the next seven) or :-3,s/\n/ (previous three lines and this one)... you get the idea
– Tristan
Oct 21 '10 at 1:03
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Getting Http Status code number (200, 301, 404, etc.) from HttpWebRequest and HttpWebResponse
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You have to be careful, server responses in the range of 4xx and 5xx throw a WebException. You need to catch it, and then get status code from a WebException object:
try
{
wResp = (HttpWebResponse)wReq.GetResponse();
wRespStatusCode = wResp.StatusCode;
}
catch (We...
Javascript: Round up to the next multiple of 5
I need a utility function that takes in an integer value (ranging from 2 to 5 digits in length) that rounds up to the next multiple of 5 instead of the nearest multiple of 5. Here is what I got:
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Looking for a clear definition of what a “tokenizer”, “parser” and...
...ion, but in fact they may need to capture information above and beyond the raw token]. ....
– Ira Baxter
Jan 15 '19 at 16:37
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How do I put a variable inside a string?
...file2.pdf' etc. This is how it worked:
['file' + str(i) + '.pdf' for i in range(1,4)]
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Numpy array dimensions
...ow 1 and column 0, 0-based index)
shape
describes how many data (or the range) along each available axis.
In [5]: a.shape
Out[5]: (2, 2) # both the first and second axis have 2 (columns/rows/pages/blocks/...) data
shar...
How to convert hex to rgb using Java?
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A hex color code is #RRGGBB
RR, GG, BB are hex values ranging from 0-255
Let's call RR XY where X and Y are hex character 0-9A-F, A=10, F=15
The decimal value is X*16+Y
If RR = B7, the decimal for B is 11, so value is 11*16 + 7 = 183
public int[] getRGB(String rgb){
int[...
How to avoid null checking in Java?
...ace Parser {
Action findAction(String userInput);
}
where Parser takes raw user input and finds something to do, perhaps if you're implementing a command line interface for something. Now you might make the contract that it returns null if there's no appropriate action. That leads the null che...
List of Big-O for PHP functions
...res a linear poll.
Obvious Big-O:
array_fill O(n)
array_fill_keys O(n)
range O(n)
array_splice O(offset + length)
array_slice O(offset + length) or O(n) if length = NULL
array_keys O(n)
array_values O(n)
array_reverse O(n)
array_pad O(pad_size)
array_flip O(n)
array_sum O(n)
array_produ...
Which characters need to be escaped in HTML?
...ement does not need to be escaped in HTML because textarea is an escapable raw text element.
These restrictions are scattered across the specification. E.g., attribute values (§8.1.2.3) must not contain an ambiguous ampersand and be either (i) empty, (ii) within single quotes (and thus must not co...