大约有 37,000 项符合查询结果（耗时：0.0469秒） [XML]
Generating an MD5 checksum of a file
...fit the whole file in memory. In that case, you'll have to read chunks of 4096 bytes sequentially and feed them to the md5 method:
import hashlib
def md5(fname):
hash_md5 = hashlib.md5()
with open(fname, "rb") as f:
for chunk in iter(lambda: f.read(4096), b""):
hash_md5....
PatternSyntaxException: Illegal Repetition when using regex in Java
...message: "Illegal repetition".
You should escape them: "\\{\"user_id\" : [0-9]*\\}".
And since you seem to be trying to parse JSON, I suggest you have a look at Jackson.
share
|
improve this answe...
Using jQuery to center a DIV on the screen
...
1076
I like adding functions to jQuery so this function would help:
jQuery.fn.center = function ()...
Adjust list style image position?
...
209
Not really. Your padding is (probably) being applied to the list item, so will only affect the ...
PostgreSQL LIKE query performance variations
...to a particular table in my database. Sometimes I will get results within 200-400 ms (very acceptable) but other times it might take as much as 30 seconds to return results.
...
Defining a percentage width for a LinearLayout? [duplicate]
I want to define a percentage width (70%) for a LinearLayout that contains some buttons, so that I can center it and so that the child buttons can fill_parent. Here's a picture showing what I mean:
...
Overloading Macro on Number of Arguments
...
270
Simple as:
#define GET_MACRO(_1,_2,_3,NAME,...) NAME
#define FOO(...) GET_MACRO(__VA_ARGS__, FO...
How do I close an open port from the terminal on the Mac?
...
408
Find out the process ID (PID) which is occupying the port number (e.g., 5955) you would like t...
'float' vs. 'double' precision
...
|
edited Dec 30 '14 at 20:59
answered Feb 23 '11 at 23:24
...
How to set enum to null
...e for enums that cannot be null by having the FIRST value in the enum (aka 0) be the default value. For example in a case of color None.
public Color myColor = Color.None;
share
|
improve this ans...