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How should I read a file line-by-line in Python?
...is exactly one reason why the following is preferred:
with open('filename.txt') as fp:
for line in fp:
print line
We are all spoiled by CPython's relatively deterministic reference-counting scheme for garbage collection. Other, hypothetical implementations of Python will not necessar...
Is it possible to set async:false to $.getJSON call
...ion() {
var result;
$.ajax({
type:'GET',
url:'data.txt',
dataType:'json',
async:false,
success:function(data){
result = data;
}
});
return result;
})();
alert(JSON.stringify(jsonData));
It works find. Then I change to
var...
Use PHP to create, edit and delete crontab jobs?
...
So,
$output = shell_exec('crontab -l');
file_put_contents('/tmp/crontab.txt', $output.'* * * * * NEW_CRON'.PHP_EOL);
echo exec('crontab /tmp/crontab.txt');
The above can be used for both create and edit/append provided the user has the adequate file write permission.
To delete jobs:
echo exec...
JavaScript: Create and save file [duplicate]
...your file</a>
<button onclick="download('file text', 'myfilename.txt', 'text/plain')">Create file</button>
And you would then download the file by putting the download attribute on the anchor tag.
The reason I like this better than creating a data url is that you don't hav...
Why declare unicode by string in python?
...uld do the following:
# -*- coding: utf-8 -*-
from unicoder import ustr
txt = 'Hello, Unicode World'
txt = ustr(txt)
print type(txt) # <type 'unicode'>
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java中的缓存技术该如何实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...方,那么缓存对app来说是透明的.而且这个缓存中存放的是完整的页面.第三个节点,app 中本身就有几个层次,那么缓存也可以放在不同的层次上,这一部分是情况或者场景比较复杂的部分.选择缓存时需要谨慎.第四个环节,数据库中也...
How can I pipe stderr, and not stdout?
...issing? ls -l not_a_file 3>&1 1>&2 2>&3 > errors.txt
– user48956
Feb 27 '14 at 3:34
1
...
Set environment variables from file of key/value pairs
... MINIENTREGA_FECHALIMITE="2011-03-31"
export MINIENTREGA_FICHEROS="informe.txt programa.c"
export MINIENTREGA_DESTINO="./destino/entrega-prac1"
Then you need to source in the file in current shell using:
. ./conf/prac1
OR
source ./conf/prac1
...
BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
...接收者的数据RFU 保留位Payload Length：用以表示包含“信息完整性校验码”（Message Integrity Check，MIC）在内的“有效载荷数据”的长
度
CRC
3个字节长度，“循环冗余校验”（Cyclical Redundancy Check，CRC），可检查数据的正确性
...
Extract filename and extension in Bash
... extension is present, it will be returned including the initial ., e.g., .txt.
– mklement0
Sep 7 '12 at 14:41
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