大约有 43,000 项符合查询结果（耗时：0.0376秒） [XML]
How can a Javascript object refer to values in itself? [duplicate]
...epending on where obj.key2 function is invoked. e.g. setTimeout( obj.key2, 100 ); this refers to the window object.
– Mingtao Sun
Nov 23 '16 at 4:15
...
Send file using POST from a Python script
...The file was sent. Let's check:
>>> r.text
{
"origin": "179.13.100.4",
"files": {
"report.xls": "<censored...binary...data>"
},
"form": {},
"url": "http://httpbin.org/post",
"args": {},
"headers": {
"Content-Length": "3196",
"Accept-Encoding": "identity, def...
How to write a Unit Test?
...wered Jan 5 '12 at 23:48
jayunit100jayunit100
15.9k1919 gold badges8080 silver badges145145 bronze badges
...
Is it possible to break a long line to multiple lines in Python [duplicate]
...>>> x = 10
>>> if x == 10 or x > 0 or \
x < 100:
print 'True'
Quoting PEP8:
The preferred way of wrapping long
lines is by using Python's implied
line continuation inside parentheses, brackets and braces. If necessary,
you can add an extra pair of p...
Execution time of C program
... was more relevant a year ago: CLOCKS_PER_SEC is a long int with the value 1000000, giving time in microseconds when not divided; not CPU clock cycles. Therefore, it doesn't need to account for dynamic frequency as the clock here is in microseconds (maybe clock cycles for a 1 MHz CPU?) I made a shor...
StringBuilder vs String concatenation in toString() in Java
... {
StringBuilder s = new StringBuilder();
for(int i=0;i<100000;i++)
s.append("*");
}
private static void slow()
{
String s = "";
for(int i=0;i<100000;i++)
s+="*";
}
}
The output is:
slow elapsed 11741 ms
fast ela...
How do I create a constant in Python?
...alue. Declaration is easy Nums = Constants(ONE=1, PI=3.14159, DefaultWidth=100.0), Usage is straightforward print 10 + Nums.PI, attempt to change results in exception Nums.PI = 22 => ValueError(..).
– ToolmakerSteve
Dec 11 '13 at 1:07
...
How to use Git for Unity3D source control?
...= #
# OS generated #
# ============ #
.DS_Store
.DS_Store?
._*
.Spotlight-V100
.Trashes
ehthumbs.db
Thumbs.db
Unity3D Settings
For versions of Unity 3D v4.3 and up:
(Skip this step in v4.5 and up) Enable External option in Unity → Preferences → Packages → Repository.
Open the Edit menu a...
error: Unable to find vcvarsall.bat
...Visual Studio installed:
Visual Studio 2010 (VS10): SET VS90COMNTOOLS=%VS100COMNTOOLS%
Visual Studio 2012 (VS11): SET VS90COMNTOOLS=%VS110COMNTOOLS%
Visual Studio 2013 (VS12): SET VS90COMNTOOLS=%VS120COMNTOOLS%
Visual Studio 2015 (VS14): SET VS90COMNTOOLS=%VS140COMNTOOLS%
WARNING: As noted bel...
Reading a huge .csv file
...in Python 2.7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
...