大约有 36,010 项符合查询结果（耗时：0.0592秒） [XML]
Multiline bash commands in makefile
...e some of the lines with a semicolon:
foo:
for i in `find`; \
do \
all="$$all $$i"; \
done; \
gcc $$all
But if you just want to take the whole list returned by the find invocation and pass it to gcc, you actually don't necessarily need ...
How to replace ${} placeholders in a text file?
...word is ${word}
we just have to say:
sed -e "s/\${i}/1/" -e "s/\${word}/dog/" template.txt
Thanks to Jonathan Leffler for the tip to pass multiple -e arguments to the same sed invocation.
share
|
...
Any way to write a Windows .bat file to kill processes? [closed]
...mpany installs on my machine for security and compliance. What I'd like to do is have a .bat file or script of some kind with which I can kill the processes in question.
...
git: How to ignore all present untracked files?
...gnore those files.
UPDATE: the above command has a minor drawback: if you don't have a .gitignore file yet your gitignore will ignore itself! This happens because the file .gitignore gets created before the git status --porcelain is executed. So if you don't have a .gitignore file yet I recommend u...
Differences between Perl and PHP [closed]
...string repetition (x) and range (.. and ...). PHP has a few operators Perl doesn't, such as the error suppression operator (@), instanceof (though Perl does have the Universal::isa method) and clone.
In PHP, new is an operator. In Perl, it's the conventional name of an object creation subroutine de...
git-diff to ignore ^M
... edited Dec 17 '15 at 15:39
random
9,06877 gold badges6262 silver badges7676 bronze badges
answered Dec 11 '09 at 17:43
...
How to pass a class type as a function parameter
...trained to require that it implements a specific initializer.
This can be done with a protocol like the following one:
protocol Initable {
init()
}
class CityInfo : NSObject, Initable {
var cityName: String?
var regionCode: String?
var regionName: String?
// Nothing to change...
How do I print the type or class of a variable in Swift?
...stdlib_getTypeName()? The integrated REPL no longer exists, swift-ide-test doesn't exist either, and Xcode's printing of the Swift module elides _-prefixed values.
– Lily Ballard
Aug 21 '14 at 19:28
...
How can I add a class to a DOM element in JavaScript?
How do I add a class for the div ?
10 Answers
10
...
get dictionary value by key
...s:
String xmlfile = Data_Array["XML_File"];
Note that if the dictionary doesn't have a key that equals "XML_File", that code will throw an exception. If you want to check first, you can use TryGetValue like this:
string xmlfile;
if (!Data_Array.TryGetValue("XML_File", out xmlfile)) {
// the k...