大约有 45,000 项符合查询结果（耗时：0.0604秒） [XML]
Iterating through directories with Python
...file in files:
print os.path.join(subdir, file)
If you still get errors when running the above, please provide the error message.
Updated for Python3
import os
rootdir = 'C:/Users/sid/Desktop/test'
for subdir, dirs, files in os.walk(rootdir):
for file in files:
print(os.pa...
How to add to an existing hash in Ruby
...plement this with the following: x['key'] = "value" however I am receiving errors. I should mention I am working with strings.
– Tom
Jul 28 '11 at 18:49
...
What is the difference between PS1 and PROMPT_COMMAND
...ue of the last executed program. This is convenient to see if there was an error and the error code of the last program I ran in the terminal. Note the outer ' surrounding the entire PROMPT_COMMAND expression. It includes PS1 so that this variable is re-evaluated each time the PROMPT_COMMAND variabl...
How to show line number when executing bash script
...ut, I use set -x or set -v and set -e , so the script would stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a method which can output the line number of the script before each line is execut...
How to wait for several Futures?
...hing else.
The difference with for comprehension is that here you get the error of the first to fail, whereas with for comprehension you get the first error in traversal order of the input collection (even if another one failed first). For example:
val f1 = Future { Thread.sleep(1000) ; 5 / 0 }
va...
How do you create a random string that's suitable for a session ID in PostgreSQL?
...quire over 3000 years for a single processor. Since the unrecoverable read error rate of drives is 1 bit per 1018 bits read, at best, while the file would contain about 1020 bits, just reading the file once from end to end would result, at least, in about 100 times more mis-read UUIDs than duplicate...
What is a method group in C#?
I have often encountered an error such as "cannot convert from 'method group' to 'string'" in cases like:
5 Answers
...
How to pip install a package with min and max version range?
...ersioning works wouldn't write ~=0.2.1 in a requirements file. That's user error, not a disadvantage of the ~= prefix.
– Brad Root
Nov 7 '19 at 18:15
...
JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
...
window.loadImage("/your-image.jpg", function (img) {
if (img.type === "error") {
console.log("couldn't load image:", img);
} else {
window.EXIF.getData(img, function () {
var orientation = EXIF.getTag(this, "Orientation");
var canvas = window.loadImage.scale(img, {orien...
Calling virtual functions inside constructors
...g a polymorphic (virtual in C++ terminology) methods is a common source of errors. In C++, at least you have the guarantee that it will never call a method on a yet unconstructed object...
share
|
i...