大约有 3,000 项符合查询结果（耗时：0.0102秒） [XML]
Include headers when using SELECT INTO OUTFILE?
...w to get column list of table my_table in my_schema.
-- override GROUP_CONCAT limit of 1024 characters to avoid a truncated result
set session group_concat_max_len = 1000000;
select GROUP_CONCAT(CONCAT("'",COLUMN_NAME,"'"))
from INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = 'my_table'
AND TABLE_SC...
Tools for making latex tables in R [closed]
...atures' of xtable and Latex that I'll share here.
Trick #1: Removing Duplicates in Columns and Trick #2: Using Booktabs
First, load packages and define my clean function
<<label=first, include=FALSE, echo=FALSE>>=
library(xtable)
library(plyr)
cleanf <- function(x){ ...
Check free disk space for current partition in bash
...te +%Y%m%d_%H%M%S%Z) ] Current Status:\n\n" >>$MAILMESSAGE
cat $sMess >>$MAILMESSAGE
echo "" >>$MAILMESSAGE
echo "*** This email generated by $(basename $0) shell script ***" >>$MAILMESSAGE
echo "*** Please don't reply this email, this...
CSS media queries: max-width OR max-height
... derived from:
CSS media queries by Mozilla Contributors (licensed under CC-BY-SA 2.5). Some code samples were used with minor alterations to (hopefully) increase clarity of explanation.
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Is a `=default` move constructor equivalent to a member-wise move constructor?
...:
movable::move
nonmovable::copy
http://coliru.stacked-crooked.com/a/420cc6c80ddac407
Update: But if you comment out the line has_nonmovable(has_nonmovable &&) = default;, then copy will be used for both members: http://coliru.stacked-crooked.com/a/171fd0ce335327cd - prints:
movable::co...
Count number of lines in a git repository
...
xargs will do what you want:
git ls-files | xargs cat | wc -l
But with more information and probably better, you can do:
git ls-files | xargs wc -l
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How do I force a favicon refresh?
I have a Grails application running locally using its own tomcat and I have just changed the favicon for a new one. Problem is that I can not see it in any browser. The old favicon shows up or I get no favicon at all, but not my new one. I do not think this is a Grails issue per se, more an issue...
Convert a byte array to integer in Java and vice versa
...ult
short num = wrapped.getShort(); // 1
ByteBuffer dbuf = ByteBuffer.allocate(2);
dbuf.putShort(num);
byte[] bytes = dbuf.array(); // { 0, 1 }
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Git is ignoring files that aren't in gitignore
...wing command to print your .gitignore in user HOME and repository folder:
cat ~/.gitignore "$(git rev-parse --show-toplevel)"/.gitignore "$(git rev-parse --show-toplevel)"/.git/info/exclude
Alternatively use git add -f which allows adding otherwise ignored files.
See: man gitignore, man git-check-...
Getting the PublicKeyToken of .Net assemblies
... -T <assemblyname>
Note that for the versions VS2012+, sn.exe application isn't anymore in bin but in a sub-folder. Also, note that for 64bit you need to specify (x86) folder.
If you prefer to use Visual Studio command prompt, just type :
sn -T <assembly>
where <assemblyname>...