大约有 31,500 项符合查询结果（耗时：0.0418秒） [XML]
How to check size of a file using Bash?
... be an easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case.
...
How to add an Access-Control-Allow-Origin header
...off2)$">
<IfModule mod_headers.c>
Header set Access-Control-Allow-Origin "*"
</IfModule>
</FilesMatch>
also in your remote CSS file, the font-face declaration needs the full absolute URL of the font-file (not needed in local CSS files):
e.g.
@font-face {
font-fa...
Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
...austed. Maybe you don't need to read the whole file, maybe read it sequentially.
– macbirdie
Jan 22 '09 at 10:12
8
...
How to retrieve the dimensions of a view?
... getWidth() always return 0. This happens when I format the grid dynamically and also when I use an XML version.
16 An...
Is there an equivalent of CSS max-width that works in HTML emails?
I'm trying to create an HTML email that will display properly in all widely used email clients. I'm wrapping the whole email in a table, and I'd like it to have a width that is up to 98% of the available width, but no greater than 800 pixels. Like this:
<table style="width:98%; max-width:800px...
Why do people still use primitive types in Java?
..., meaning this could run on a system where the nearest 1024 are cached and all of them return true... #awkward
share
|
improve this answer
|
follow
|
...
How to perform file system scanning
... will not work for release versions of GO in the near future.
There's actually a function in the standard lib just for this: filepath.Walk.
package main
import (
"path/filepath"
"os"
"flag"
)
type visitor int
// THIS CODE NO LONGER WORKS, PLEASE SEE ABOVE
func (v visitor) VisitDir(p...
What is the difference between NaN and None?
... a dictionary. The columns contain strings of numbers and letters. Occasionally there are cases where a cell is empty. In my opinion, the value read to that dictionary entry should be None but instead nan is assigned. Surely None is more descriptive of an empty cell as it has a null value, whe...
Convert a number range to another range, maintaining ratio
...ep in mind that you may get strange results if one of the ranges is very small relative to the other one (not exactly sure, but if there's more than a 1000000 factor difference between the size of the ranges, make sure that it actually behaves like you expect... or learn about floating point inaccur...
Difference between encoding and encryption
...ion of how text should be transformed into bytes. Similarly, HTTP does not allow all characters to be transmitted safely, so it may be necessary to encode data using base64 (uses only letters, numbers and two safe characters).
When encoding or decoding, the emphasis is placed on everyone having the...