大约有 1,050 项符合查询结果（耗时：0.0117秒） [XML]
What version of javac built my jar?
...
You can't tell from the JAR file itself, necessarily.
Download a hex editor and open one of the class files inside the JAR and look at byte offsets 4 through 7. The version information is built in.
http://en.wikipedia.org/wiki/Java_class_file
Note: As mentioned in the comment below,
...
Authenticate with GitHub using a token
...ploy key in your github repo settings.
Then...
$ password=`openssl rand -hex 32`
$ cat my_key | openssl aes-256-cbc -k "$password" -a > my_key.enc
$ travis encrypt --add password=$password -r my-github-user/my-repo
Then use the $password file to decrypt your deploy key at integration-time, b...
Superscript in markdown (Github flavored)?
...cters above directly into your document.
Alternatively, you could use the hex values above in an HTML character escape. Eg, ² instead of ². This works with GitHub (and should work anywhere else your Markdown is rendered to HTML) but is less readable when presented as raw text/Markdown.
...
Multiline strings in JSON
...aracter-except-"-or-\-or-control-character
\"
\\
\/
\b
\f
\n
\r
\t
\u four-hex-digits
Newlines are "control characters" so, no, you may not have a literal newline within your string. However you may encode it using whatever combination of \n and \r you require.
...
What does the 'b' character do in front of a string literal?
...llows the bytes 0x01-0x7F to be specified with ASCII characters instead of hex numbers.
>>> b'A' == b'\x41'
True
But I must emphasize, a character is not a byte.
>>> 'A' == b'A'
False
In Python 2.x
Pre-3.0 versions of Python lacked this kind of distinction between text and binary...
How can I generate a unique ID in Python? [duplicate]
... = str(t)+' '+str(r)+' '+str(a)+' '+str(args)
data = hashlib.md5(data).hexdigest()
return data
share
|
improve this answer
|
follow
|
...
Text editor to open big (giant, huge, large) text files [closed]
...barely 500 KB, but it still supports searching (with regexes), printing, a hex editor mode, and settings.
loxx (Windows) – Supports file following, highlighting, line numbers, huge files, regex, multiple files and views, and much more. The free version can not: process regex, filter files, synchro...
UUID max character length
... formal definition of UUID string representations. It's 36 characters (32 hex digits + 4 dashes).
Sounds like you need to figure out where the invalid 60-char IDs are coming from and decide 1) if you want to accept them, and 2) what the max length of those IDs might be based on whatever API is use...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...illStyle = "rgba(255, 255, 255, 0.5)"; does not work. The value must be in hex.
– WebWanderer
Feb 2 '15 at 18:27
|
show 4 more comments
...
Facebook Android Generate Key Hash
...ter you get the required SHA1 Key
Then goto
http://tomeko.net/online_tools/hex_to_base64.php
and paste your sha1 key
and finally you will get Required HashKey which you can use it to apply on facebook.
share
|
...