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What does “export” do in shell programming? [duplicate]
...o child processes
$ env | grep '^variable='
variable=Hello
$
$ export other_variable=Goodbye # create and initialize exported variable
$ env | grep '^other_variable='
other_variable=Goodbye
$
For more information, see the entry for the export builtin in the GNU Bash manual, and also the sections...
Remove all the children DOM elements in div
...
From the dojo API documentation:
dojo.html._emptyNode(node);
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Random strings in Python
...:
import random, string
def randomword(length):
letters = string.ascii_lowercase
return ''.join(random.choice(letters) for i in range(length))
Results:
>>> randomword(10)
'vxnxikmhdc'
>>> randomword(10)
'ytqhdohksy'
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Adding header for HttpURLConnection
...oder().encodeToString((username+":"+password).getBytes(StandardCharsets.UTF_8));
httpConn.setRequestProperty ("Authorization", "Basic "+basicAuth);
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How to convert a string to number in TypeScript?
...said in HTML +x doesn't convert to number at all
– sa_
Aug 17 '17 at 18:05
5
That's because Numbe...
怎么往SetTimer的回调函数传递参数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...立一个Win32工程，然后看自动生成的代码：
int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
...
// 主消息循环:
while (GetMessage(&msg...
Run cURL commands from Windows console
...tps://www.example.com/mypage.php?action=hello. In the mypage.php script, $_GET['action'] is empty
– Stephen R
Jun 26 '19 at 0:31
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PHP Fatal error: Call to undefined function json_decode()
Apache is logging PHP Fatal error: Call to undefined function json_decode() . After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --version ouputs
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Extract a number from a string (JavaScript)
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-1, "#box2_col3".replace( /^\D+/g, '') should have shown 2, not 2_col3.
– Shiplu Mokaddim
Apr 4 '12 at 1:27
2
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How can I know which radio button is selected via jQuery?
...th ".map(function(){return this.value;}).get();"
– am_
Oct 6 '13 at 15:29
1
For what it is worth,...