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Writing a list to a file with Python
...
You can use a loop:
with open('your_file.txt', 'w') as f:
for item in my_list:
f.write("%s\n" % item)
In Python 2, you can also use
with open('your_file.txt', 'w') as f:
for item in my_list:
print >> f, item
If you're keen on a sin...
图表组件 · App Inventor 2 中文网
...后修改成相应的标识值。
每种兼容数据源的适用值的完整列表如下：
对于 微数据库 和 云数据库，这是标签值。
对于 加速度传感器，该值应为以下之一：X Y 或 Z
对于 陀螺仪传感器，该值应为以下之一：X...
How to send email attachments?
...part = MIMEBase('application', "octet-stream")
part.set_payload(open("text.txt", "rb").read())
Encoders.encode_base64(part)
part.add_header('Content-Disposition', 'attachment; filename="text.txt"')
msg.attach(part)
server = smtplib.SMTP(self.EMAIL_SERVER)
server.sendmail(self.EMAIL_FROM, self.EMA...
Git resolve conflict using --ours/--theirs for all files
...ork for rename/rename conflicts, e.g., CONFLICT (rename/rename): Rename "a.txt"->"c.txt" in branch "HEAD" rename "a.txt"->"b.txt" in "master"
– Borek Bernard
Sep 29 '16 at 12:48
...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
...03"`
The date/time information from a reference file:
date.exe -r c:\file.txt +"The timestamp of file.txt is: %Y-%m-%d %H:%M:%S"
Using it in a CMD script to get year, month, day, time information:
for /f "tokens=1,2,3,4,5,6* delims=," %%i in ('C:\Tools\etc\date.exe +"%%y,%%m,%%d,%%H,%%M,%%S"') do...
Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...可以不安装或在安装完 pdksh 以后再安装。
将pdksh 程序包下载到本地。 Pdksh安装包需要在网上下载光盘里没有
# rpm -ivh pdksh-5.2.14-37.el5_8.1.x86_64.rpm
注意：如果提示该程序包与 ksh冲突，如果已经安装 ksh，建议使用命令 rpm -e ksh...
Multiple file upload in php
...on calling function add_more()
JavaScript
function add_more() {
var txt = "<br><input type=\"file\" name=\"item_file[]\">";
document.getElementById("dvFile").innerHTML += txt;
}
PHP
if(count($_FILES["item_file"]['name'])>0)
{
//check if any file uploaded
$GLOBALS['msg']...
内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...存。
虽然 is_available 标记只包含一位信息，但它要使用完整的 4-字节 的字。
分配程序不是线程安全的。
分配程序不能将空闲空间拼合为更大的内存块。
分配程序的过于简单的匹配算法会导致产生很多潜在的内存碎片。
我...
GCC dump preprocessor defines
...-O0 (none) and -O3 (full):
$ gcc -dM -E -O0 - < /dev/null > /tmp/O0.txt
$ gcc -dM -E -O3 - < /dev/null > /tmp/O3.txt
$ sdiff -s /tmp/O0.txt /tmp/O3.txt
#define __NO_INLINE__ 1 <
> #define __OPTIMIZE__ 1
...
pythonw.exe or python.exe?
...output redirection:Thanks, @handle.
pythonw.exe yourScript.pyw 1>stdout.txt 2>stderr.txt
(from PowerShell:
cmd /c pythonw.exe yourScript.pyw 1>stdout.txt 2>stderr.txt) to capture stdout and stderr output in files.
If you're confident that use of print() is the only reason your script fai...