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How to view corresponding SQL query of the Django ORM's queryset?
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answered Jul 7 '12 at 9:05
aisbaaaisbaa
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...lugged my (FTDI) serial device from the USB and afterwards it produced the error that you described.
– Warpspace
Jan 29 '19 at 8:30
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Traversing text in Insert mode
... mode. And it happens to be much faster to erase a small word than to fix errors within it. I'm so used to it that I had closed the browser page when I was typing this message...!
Repetition count is largely underused. Before making a movement, you can type a number; and the movement will be rep...
Using jQuery to center a DIV on the screen
...isible".'
– Cԃաԃ
Nov 21 '13 at 9:05
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How do I tar a directory of files and folders without including the directory itself?
...ike in magnus' answer), but that potentially causes a "file list too long" error. The best way is to combine it with tar's -T option, like this:
find /my/dir/ -printf "%P\n" -type f -o -type l -o -type d | tar -czf mydir.tgz --no-recursion -C /my/dir/ -T -
Basically what it does is list all files...
Generate all permutations of a list without adjacent equal elements
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@flornquake Good catch! It's the good-old off-by-one error I'm afraid. So, this approach is not optimal, as it may have 1 conflict too many.
– Vincent van der Weele
Aug 13 '14 at 14:31
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How do I plot in real-time in a while loop using matplotlib?
...ange(10):
y = np.random.random()
plt.scatter(i, y)
plt.pause(0.05)
plt.show()
Note some of the changes:
Call plt.pause(0.05) to both draw the new data and it runs the GUI's event loop (allowing for mouse interaction).
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clear javascript console in Google Chrome
...ld be misused. (console is cleared by some web page, end user can't access error information)
one possible workaround:
in the console type window.clear = clear, then you'll be able to use clear in any script on your page.
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Combining node.js and Python
...s the method on the python object
client.invoke("hello", "World", function(error, reply, streaming) {
if(error){
console.log("ERROR: ", error);
}
console.log(reply);
});
Or vice-versa, node.js server:
var zerorpc = require("zerorpc");
var server = new zerorpc.Server({
hel...
App Inventor 2 列表代码块 · App Inventor 2 中文网
...。
分隔符拼接成文本
按指定分隔符连接指定列表中的所有元素，结果生成文本。
创建映射列表
使用提供的表达式将输入列表中的每个项目映射到新值，从而创建一个新列表。
主体是一...