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What does %s mean in a python format string?
...ython3+
name = input("who are you? ")
print("hello %s" % (name,))
The %s token allows me to insert (and potentially format) a string. Notice that the %s token is replaced by whatever I pass to the string after the % symbol. Notice also that I am using a tuple here as well (when you only have one...
Why do you use typedef when declaring an enum in C++?
...
In C, declaring your enum the first way allows you to use it like so:
TokenType my_type;
If you use the second style, you'll be forced to declare your variable like this:
enum TokenType my_type;
As mentioned by others, this doesn't make a difference in C++. My guess is that either the pers...
Cross-Origin Request Headers(CORS) with PHP headers
...LETE, PUT, PATCH, OPTIONS');
header('Access-Control-Allow-Headers: token, Content-Type');
header('Access-Control-Max-Age: 1728000');
header('Content-Length: 0');
header('Content-Type: text/plain');
die();
}
header('Access-Control-Allow-Origin: *');
...
Correct way to delete cookies server-side
For my authentication process I create a unique token when a user logs in and put that into a cookie which is used for authentication.
...
How can I make Jenkins CI with Git trigger on pushes to master?
.../yourserver/jenkins/git/notifyCommit?url=<URL of the Git repository>?token=<get token from git to build remotely>
This will trigger all builds that poll the specified Git repository.
However, polling actually checks whether anything has been pushed to the used branch.
It works perfect...
Why do Java programmers like to name a variable “clazz”? [closed]
...It comes down to the actual compiler and its ability to distinguish what a token means within its context. However, in this particular case, it is the compiler's inability to distinguish what the token class means in a different context. It is a hard and fast rule that class, regardless of its conte...
How to test if a string is JSON or not?
...ke this. Otherwise, you'd need to do lots of string analysis stuff such as tokenizing / regex operations; which would have terrible performance.
hasJsonStructure()
This is useful if your goal is to check if some data/text has proper JSON interchange format.
function hasJsonStructure(str) {
if...
Can I use non existing CSS classes?
...
A class attribute must have a value that is a set of space-separated
tokens representing the various classes that the element belongs to.
... There are no additional restrictions on the tokens authors can use in
the class attribute, but authors are encouraged to use values that
describe ...
I want to delete all bin and obj folders to force all projects to rebuild everything
...re using the cmd shell on Windows then the following should work:
FOR /F "tokens=*" %%G IN ('DIR /B /AD /S bin') DO RMDIR /S /Q "%%G"
FOR /F "tokens=*" %%G IN ('DIR /B /AD /S obj') DO RMDIR /S /Q "%%G"
If you are using a bash or zsh type shell (such as git bash or babun on Windows or most Linux /...
Is “else if” a single keyword?
...
This answer dictates that how parser extract tokens. Good.
– haccks
Jun 26 '14 at 9:12
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