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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...
How to pass command line arguments to a rake task
...
Also, make sure you enclose the argument in string. e.g from your command line run the rake task like so rake thing:work'[1,2,3]'
– theterminalguy
Jan 14 '17 at 8:01
...
Java - Method name collision in interface implementation
...ormer case... suppose you really want an array of integers and an array of strings. Instead of inheriting from both List<Integer> and List<String>, you should have one member of type List<Integer> and another member of type List<String>, and refer to those members, rather th...
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
...
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...
How to determine the encoding of text?
...ed')
sys.exit(1)
def bomType(file):
"""
returns file encoding string for open() function
EXAMPLE:
bom = bomtype(file)
open(file, encoding=bom, errors='ignore')
"""
f = open(file, 'rb')
b = f.read(4)
f.close()
if (b[0:3] == b'\xef\xbb\xbf'):
...
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 ...