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How long does it take for GitHub page to show changes after changing index.html
...ew files. If you want to test it (or break a cache) you can append a query string like myfile.jpg?ver=123 and every time you update the string the cache will bust, and you can verify that the CDN is updating.
– Joel Glovier
Dec 19 '16 at 14:10
...
How does zip(*[iter(s)]*n) work in Python?
... of n times the same iterator for s.
So, when doing zip(*[iter(s)]*n), it extracts an item from all the three iterators from the list in order. Since all the iterators are the same object, it just groups the list in chunks of n.
...
Protect .NET code from reverse engineering?
...vitable. Not only that, but I was hurting my true customers will all these extra protections I was putting in.
After a long battle I realized I was fighting the tides and all this time wasted was for naught. I took out all the phone-home code except for the barebones license functions and never loo...
Git and Mercurial - Compare and Contrast
...in git rev-parse manpage):
The full SHA1 object name (40-byte hexadecimal string), or a substring of such that is unique within the repository
A symbolic ref name, e.g. 'master' (referring to 'master' branch), or 'v1.5.0' (referring to tag), or 'origin/next' (referring to remote-tracking branch)
A...
What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
...e = 1)
private Integer id;
@Column(name = "BOY_NAME")
private String name;
@OneToOne(cascade = { CascadeType.ALL })
private GirlFriend21 girlFriend;
public BoyFriend21(String name) {
this.name = name;
}
public BoyFriend21() {
}
public Integer getI...
Why do we need extern “C”{ #include } in C++?
..._gxx_personality_v0
The foo function is actually called "_Z3foov". This string contains type information for the return type and parameters, among other things. If you instead write test.C like this:
extern "C" {
void foo() { }
}
Then compile and look at symbols:
$ g++ -c test.C
$ nm tes...
Flatten nested dictionaries, compressing keys
...y = parent_key + sep + k if parent_key else k assumes that keys are always strings, otherwise it will raise TypeError: cannot concatenate 'str' and [other] objects. However, you could fix that by simply coercing k to string (str(k)), or concatenating keys into a tuple instead of a string (tuples can...
Read/write to Windows registry using Java
... following code obtains the exact windows distribution from the registry:
String value = WinRegistry.readString (
WinRegistry.HKEY_LOCAL_MACHINE, //HKEY
"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", //Key
"ProductName"); ...
Best way for a 'forgot password' implementation? [closed]
...s the time when the user pressed the "Forgot Password" button. The ID is a string. A long random string is created (say, a GUID) and then hashed like a password (which is a separate topic in and of itself). This hash is then used as the 'ID' in the table.
The system sends an email to the user which ...
Creating an iframe with given HTML dynamically
...note of the html content wrapped with <html> tags and the iframe.src string.
The iframe element needs to be added to the DOM tree to be parsed.
document.body.appendChild(iframe);
You will not be able to inspect the iframe.contentDocument unless you disable-web-security on your browser.
Yo...