大约有 44,900 项符合查询结果（耗时：0.0673秒） [XML]
Replace a string in shell script using a variable
...s since they prevent variable substitution.
Try:
echo $LINE | sed -e "s/12345678/\"${replace}\"/g"
assuming you want the quotes put in. If you don't want the quotes, use:
echo $LINE | sed -e "s/12345678/${replace}/g"
Transcript:
pax> export replace=987654321
pax> echo X123456789X | sed...
Starting python debugger automatically on error
... |
edited Jun 1 '18 at 21:05
Ivan Castellanos
6,88511 gold badge3838 silver badges3838 bronze badges
...
How to know if an object has an attribute in Python
...
2448
Try hasattr():
if hasattr(a, 'property'):
a.property
EDIT: See zweiterlinde's answer b...
How to configure static content cache per folder and extension in IIS7?
...
219
You can set specific cache-headers for a whole folder in either your root web.config:
<?...
PHP Regex to get youtube video ID?
...
|
edited Sep 21 '11 at 4:18
answered Aug 3 '10 at 1:27
...
How to initialize a struct in accordance with C programming language standards
...ializer to initialize a structure:
MY_TYPE a = { .flag = true, .value = 123, .stuff = 0.456 };
Edit: Other members are initialized as zero: "Omitted field members are implicitly initialized the same as objects that have static storage duration." (https://gcc.gnu.org/onlinedocs/gcc/Designated-Ini...
How to change height of grouped UITableView header?
...
216
Return CGFLOAT_MIN instead of 0 for your desired section height.
Returning 0 causes UITabl...
sql primary key and index
...
answered Jan 20 '09 at 18:51
dkretzdkretz
36.2k1313 gold badges7575 silver badges133133 bronze badges
...
How do I find out what version of WordPress is running?
...
254
Look in wp-includes/version.php
/**
* The WordPress version string
*
* @global string $wp_...