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How can I reverse the order of lines in a file?
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There's the well-known sed tricks:
# reverse order of lines (emulates "tac")
# bug/feature in HHsed v1.5 causes blank lines to be deleted
sed '1!G;h;$!d' # method 1
sed -n '1!G;h;$p' # method 2
(Explanation: prepen...
What is the correct MIME type to use for an RSS feed?
...m to be well understood by web browsers. It looks like (sadly) text/xml is now a de facto standard.
– Samuel EUSTACHI
Feb 18 '13 at 15:35
1
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Removing colors from output
...ou're not trying to match a pipe character. But that's not important right now.)
If you switch that final match in your command to [mGK] or (m|G|K), you should be able to catch that extra control sequence.
./somescript | sed -r "s/\x1B\[([0-9]{1,3}(;[0-9]{1,2})?)?[mGK]//g"
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Why can't I see the “Report Data” window when creating reports?
...the toolbox, and add controls to the report, but the "Report Data" pane is nowhere to be found, so I can't fill the controls on my report. However, if I run the solution, the "Report Data" pane appears, and I can drag fields on to my report, however the Toolbox contains no controls while I'm runnin...
How to update gradle in android studio?
...of course I updated. After the installation I restarted Android Studio but now I get this message:
14 Answers
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When should I use Kruskal as opposed to Prim (and vice versa)?
...average case is dependent on what you're proving. In fact (as I look it up now), the wiki article uses language that implies that its only used for worst-case analysis. Now, using such an analysis means that you can't make as strong promises about the cost of a particular operation, but by the time...
FIND_IN_SET() vs IN()
..."aname".
Let's take table B which has columns named "bid","bname","aids".
Now there are dummy values in Table A and Table B as below.
Table A
aid aname
1 Apple
2 Banana
3 Mango
Table B
bid bname aids
1 Apple 1,2
2 Banana 2,1
3 Mango 3,1,2
enter code here
Case...
How can I output leading zeros in Ruby?
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If the maximum number of digits in the counter is known (e.g., n = 3 for counters 1..876), you can do
str = "file_" + i.to_s.rjust(n, "0")
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How to load a xib file in a UIView
....xib)
we need to grab the row height to set table each row hegiht
Now! need to huck them swift file . i am hucked the restaurantPhoto and restaurantName you can huck all of you .
Now adding a UITableView
name
The name of the nib file, which need not include the .nib extension.
own...
CSV new-line character seen in unquoted field error
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This now gives the same error, but on line starting upload.num_records = csvobject.get_row_count() now
– GrantU
Jun 26 '13 at 9:19
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