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How do I see the commit differences between branches in git?
... branch-X and have added a couple more commits on top of it. I want to see all the differences between MASTER and the branch that I am on in terms of commits. I could just do a
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How to kill/stop a long SQL query immediately?
...e red cancel button, but it has not stopped for the past 10 minutes. It usually stops within 3 minutes.
11 Answers
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What is memory fragmentation?
...emory fragmentation" used a few times in the context of C++ dynamic memory allocation. I've found some questions about how to deal with memory fragmentation, but can't find a direct question that deals with it itself. So:
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Remove blank lines with grep
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Try the following:
grep -v -e '^$' foo.txt
The -e option allows regex patterns for matching.
The single quotes around ^$ makes it work for Cshell. Other shells will be happy with either single or double quotes.
UPDATE: This works for me for a file with blank lines or "all white ...
The Use of Multiple JFrames: Good or Bad Practice? [closed]
...ween no component and visible component.
JInternalFrame/JDesktopPane typically used for an MDI.
JTabbedPane for groups of components.
JSplitPane A way to display two components of which the importance between one or the other (the size) varies according to what the user is doing.
JLayeredPane far m...
Which is preferred: Nullable.HasValue or Nullable != null?
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The compiler replaces null comparisons with a call to HasValue, so there is no real difference. Just do whichever is more readable/makes more sense to you and your colleagues.
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How can I pipe stderr, and not stdout?
...1 >/dev/null | grep 'something'
For the details of I/O redirection in all its variety, see the chapter on Redirections in the Bash reference manual.
Note that the sequence of I/O redirections is interpreted left-to-right, but pipes are set up before the I/O redirections are interpreted. File ...
Ember.js or Backbone.js for Restful backend [closed]
... approach' to Backbone.js. They're different kinds of tools that target totally different end products. Ember's sweet spot is applications where the user will keep the application open for long periods of time, perhaps all day, and interactions with the application's views or underlying data trigger...
How to find the statistical mode?
...max, and returns the first-appearing value of the set of modes. To return all modes, use this variant (from @digEmAll in the comments):
Modes <- function(x) {
ux <- unique(x)
tab <- tabulate(match(x, ux))
ux[tab == max(tab)]
}
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Regex to validate date format dd/mm/yyyy
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Edit February 14th 2019: I've removed a comma that was in the regex which allowed dates like 29-0,-11
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