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Printing all global variables/local variables?
...unction you're in, use
(gdb) info args
For example:
int main(int argc, char *argv[]) {
argc = 6*7; //Break here.
return 0;
}
argc and argv won't be shown by info locals. The message will be "No locals."
Reference: info locals command.
...
Difference between string object and string literal [duplicate]
...
When you use a string literal the string can be interned, but when you use new String("...") you get a new string object.
In this example both string literals refer the same object:
String a = "abc";
String b = "abc";
System.out.println(...
Regular expression to match a line that doesn't contain a word
...ng negative look-arounds:
^((?!hede).)*$
The regex above will match any string, or line without a line break, not containing the (sub)string 'hede'. As mentioned, this is not something regex is "good" at (or should do), but still, it is possible.
And if you need to match line break chars as wel...
Is there any way to git checkout previous branch?
...ing equivalent (get reflog and filter it to lines containing ": checkout:" string and then extract branch name). This is actually what git does
– Mariusz Pawelski
Nov 4 '18 at 0:46
...
How can I include a YAML file inside another?
...AML" ... this is simply a vendor-specific YAML-compatible library that has extra stuff that is not part of YAML.
– dreftymac
Aug 10 '17 at 1:33
3
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使用 C++ 处理 JSON 数据交换格式 - C/C++ - 清泛网 - 专注C/C++及内核技术
...::Value(26);
Json::Value root; // 表示整个 json 对象
root["key_string"] = Json::Value("value_string"); // 新建一个 Key（名为：key_string），赋予字符串值："value_string"。
root["key_number"] = Json::Value(12345); // 新建一个 Key（名为：key_num...
How to remove leading zeros using C#
How to remove leading zeros in strings using C#?
8 Answers
8
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How do I detect whether a Python variable is a function?
...into this by removing the __call__ from the
class. And just to keep things extra exciting, add a fake __call__ to the instance!
>>> del Spam.__call__
>>> can_o_spam.__call__ = lambda *args: 'OK?'
Notice this really isn't callable:
>>> can_o_spam()
Traceback (most recen...
For files in directory, only echo filename (no path)
...earning more about parameter expansion: wiki.bash-hackers.org/syntax/pe#substring_removal
– DougW
Jan 26 '12 at 1:59
1
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Disabling swap files creation in vim
...ing which is a large part of vim use for a lot of people, it seems like an extra bookeeping job better left out. I personally prefer for all jobs to just have no swaps or other auto-backups. If I really need to develop something, I'd rather have a more high level framework to protect me, preferably ...