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How do I select an entire row which has the largest ID in the table?
...nique. I did some benchmarking using set profiling = 1; ...; show profiles and it appears our solutions have the same performance using MySQL. For my own knowledge, do you know what DBMS has poorer performance for subselects?
– unutbu
Feb 7 '14 at 20:08
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How can I suppress all output from a command using Bash?
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The following sends standard output to the null device (bit bucket).
scriptname >/dev/null
And if you also want error messages to be sent there, use one of (the first may not work in all shells):
scriptname &>/dev/null
scriptname >...
How to check if a variable is not null?
...n case for those wondering... This does not check for an empty string ("") and undefined. See my fiddle as reference: jsfiddle.net/b0tm7yaf
– Barrosy
Jan 18 '19 at 15:25
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How do I change column default value in PostgreSQL?
...able name, only that table is altered. If ONLY is not specified, the table and all its descendant tables (if any) are altered" postgresql.org/docs/9.3/static/sql-altertable.html
– Yodan Tauber
Dec 20 '15 at 8:41
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Scala: join an iterable of strings
...Strings.mkString(",")
A variant exists in which you can specify a prefix and suffix too.
See here for an implementation using foldLeft, which is much more verbose, but perhaps worth looking at for education's sake.
share
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Disable Auto Zoom in Input “Text” tag - Safari on iPhone
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The browser will zoom if the font-size is less than 16px and the default font-size for form elements is 11px (at least in Chrome and Safari).
Additionally, the select element needs to have the focus pseudo-class attached.
input[type="color"],
input[type="date"],
input[type="datet...
Getting a list of files in a directory with a glob
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Just went ahead and updated the code sample to use contentsOfDirectoryAtPath:error: rather than directoryContentsAtPath:
– Brian Webster
Jan 30 '11 at 19:50
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Piping buffer to external command in Vim
...would like to send contents of the current buffer to stdin of external command (lets say mail). My final purpose is to set a shortcut to quickly send email from current Vim buffer. I am guessing this should be a trivial stuff, but I couldn't find a way to send Vim buffer to an external command. Than...
Is AsyncTask really conceptually flawed or am I just missing something?
...nnot believe that a class that flawed in design made it into the framework and no-one is talking about it, so I guess I just must be missing something.
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increase legend font size ggplot2
...d Nov 1 '16 at 17:42
Ashish MarkandayAshish Markanday
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