大约有 47,000 项符合查询结果(耗时:0.0692秒) [XML]
Max length for client ip address [duplicate]
...s of the code, they had an option to specifically get IPv4, IPV6, or a mix from the query.
– Stan Graves
Jul 2 '09 at 22:07
1
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How do I use $rootScope in Angular to store variables?
...on entitled "$rootScope exists, but it can be used for evil." Passing data from one controller to another is evil.
– MBielski
Jan 20 '14 at 16:05
1
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How to configure port for a Spring Boot application
...application argument
java -jar <path/to/my/jar> --server.port=7788
From property in SPRING_APPLICATION_JSON (Spring Boot 1.3.0+)
Define environment variable in U*IX shell:
SPRING_APPLICATION_JSON='{"server.port":7788}' java -jar <path/to/my/jar>
By using Java system property:
java...
What Makes a Method Thread-safe? What are the rules?
...ly not. You can write a program with only a single local variable accessed from a single thread that is nevertheless not threadsafe:
https://stackoverflow.com/a/8883117/88656
Does that apply for static methods as well?
Absolutely not.
One answer, provided by @Cybis, was: "Local variables ...
Given a URL to a text file, what is the simplest way to read the contents of the text file?
...you know to be enough for the data you expect but will prevent your script from been flooded:
import urllib2
data = urllib2.urlopen("http://www.google.com").read(20000) # read only 20 000 chars
data = data.split("\n") # then split it into lines
for line in data:
print line
* Second examp...
Installing libv8 gem on OS X 10.9+
...ibv8 in your Gemfile (or) a bundle update should suffice. Hope this helps.
From the libv8 README
Bring your own V8
Because libv8 is the interface for the V8 engine used by therubyracer, you may need to use libv8, even if you have V8 installed already. If you wish to use your own V8 installation, rat...
What is the difference between join and merge in Pandas?
...ve some typing by using df1.join(df2) instead.
Some notes on these issues from the documentation at http://pandas.pydata.org/pandas-docs/stable/merging.html#database-style-dataframe-joining-merging:
merge is a function in the pandas namespace, and it is also
available as a DataFrame instance ...
Reverse a string in Python
... a new one.
Strings are sliceable. Slicing a string gives you a new string from one point in the string, backwards or forwards, to another point, by given increments. They take slice notation or a slice object in a subscript:
string[subscript]
The subscript creates a slice by including a colon w...
How to get a variable value if variable name is stored as string?
...evel of variable indirection. Bash uses the value of the
variable formed from the rest of parameter as the name of the
variable; this variable is then expanded and that value is used in the
rest of the substitution, rather than the value of parameter itself.
...
Sending Email in Android using JavaMail API without using the default/built-in app
...e mail.
Cheers!
P.S. And don't forget that you cannot do network operation from any Activity in android.
Hence it is recommended to use AsyncTask or IntentService to avoid network on main thread exception.
Jar files: https://code.google.com/archive/p/javamail-android/
...
