大约有 35,459 项符合查询结果（耗时：0.0379秒） [XML]
How to check if a file contains a specific string using Bash
...n't need the string displayed when it was found.
The grep command returns 0 or 1 in the exit code depending on
the result of search. 0 if something was found; 1 otherwise.
$ echo hello | grep hi ; echo $?
1
$ echo hello | grep he ; echo $?
hello
0
$ echo hello | grep -q he ; echo $?
0
You can sp...
Can I comment out a line in a .git/config file?
...
ChrisChris
82.2k2121 gold badges180180 silver badges167167 bronze badges
add a comment
...
Ruby combining an array into one string
...
307
Use the Array#join method (the argument to join is what to insert between the strings - in this...
How to display string that contains HTML in twig template?
...
answered Dec 2 '11 at 10:55
Aurimas LičkusAurimas Ličkus
9,00844 gold badges2020 silver badges2525 bronze badges
...
How do I typedef a function pointer with the C++11 using syntax?
...
answered May 11 '13 at 15:50
0x499602D20x499602D2
84.1k3434 gold badges145145 silver badges225225 bronze badges
...
Plot correlation matrix into a graph
...trix
nrowcol <- length(ver)
cor <- matrix(runif(nrowcol*nrowcol, min=0.4), nrow=nrowcol, ncol=nrowcol, dimnames = list(hor, ver))
for (i in 1:nrowcol) cor[i,i] = 1
#Build the plot
rgb.palette <- colorRampPalette(c("blue", "yellow"), space = "rgb")
levelplot(cor, main="stage 12-14 array cor...
Why does Math.floor return a double?
...
80
According to the same Javadoc:
If the argument is NaN or an infinity or positive zero or negati...
Default template arguments for function templates
...
150
It makes sense to give default template arguments. For example you could create a sort function:...
How to generate a random int in C?
...lled once.
int r = rand(); // Returns a pseudo-random integer between 0 and RAND_MAX.
Edit: On Linux, you might prefer to use random and srandom.
share
|
improve this answer
|
...
Add more than one parameter in Twig path
...
answered Apr 30 '12 at 10:55
Elnur AbdurrakhimovElnur Abdurrakhimov
43.1k99 gold badges140140 silver badges129129 bronze badges
...