大约有 40,000 项符合查询结果（耗时：0.0561秒） [XML]
What is the purpose of class methods?
...
John MillikinJohn Millikin
178k3636 gold badges199199 silver badges215215 bronze badges
...
Datepicker: How to popup datepicker when click on edittext
...n You tell me what is that new_split.this?
– JEMSHID56
Sep 30 '13 at 8:50
2
This did not work for...
Run a callback only if an attribute has changed in Rails
...hanged ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made for myself on the changes to ActiveRec...
What is Bit Masking?
... // no masking is necessary
uint32_t byte2 = (value >> 16) & 0xff; // 0x01020304 >> 16 is 0x0102 so
// we must mask to get 0x02
uint32_t byte3 = (value >> 8) & 0xff; // 0x01020304 >> 8 is 0x010203 s...
What is the fastest way to send 100,000 HTTP requests in Python?
...an HTTP request to each URL and print the status code. I am using Python 2.6, and so far looked at the many confusing ways Python implements threading/concurrency. I have even looked at the python concurrence library, but cannot figure out how to write this program correctly. Has anyone come acr...
How can I hash a password in Java?
...use a facility built in to the Java runtime to do this. The SunJCE in Java 6 supports PBKDF2, which is a good algorithm to use for password hashing.
byte[] salt = new byte[16];
random.nextBytes(salt);
KeySpec spec = new PBEKeySpec("password".toCharArray(), salt, 65536, 128);
SecretKeyFactory f = Se...
Convert decimal to binary in python [duplicate]
...t Williamson
32.1k1010 gold badges5757 silver badges6969 bronze badges
42
...
Navigation bar appear over the views with new iOS7 SDK
...
One Man CrewOne Man Crew
8,66422 gold badges3636 silver badges5050 bronze badges
...
In node.JS how can I get the path of a module I have loaded via require that is *not* mine (i.e. in
...
answered Apr 12 '12 at 10:06
Linus ThielLinus Thiel
35.4k88 gold badges9898 silver badges9797 bronze badges
...
Create a menu Bar in WPF?
...
answered Mar 30 '12 at 3:56
iondenionden
11.5k11 gold badge4040 silver badges3636 bronze badges
...