大约有 13,916 项符合查询结果（耗时：0.0186秒） [XML]
What generates the “text file busy” message in Unix?
What operation generates the error "text file busy"? I am unable to tell exactly.
12 Answers
...
#ifdef replacement in the Swift language
...an define a macro using compiler preprocessors.
Moreover, you can include/exclude some parts of code using compiler preprocessors.
...
How to access test resources in Scala?
I have a file data.xml in src/test/resources/ .
5 Answers
5
...
Using PHP with Socket.io
...io and websockets for actions that could not be done in full javascript.
example from the project website (communicate with websocket server through php)
php server
use ElephantIO\Client as Elephant;
$elephant = new Elephant('http://localhost:8000', 'socket.io', 1, false, true, true);
$elephant...
Adding git branch on the Bash command prompt
...alled git-prompt.sh, which includes a function __git_ps1 that
prints text to add to bash PS1 prompt (includes branch name)
Its most basic usage is:
$ __git_ps1
(master)
It also takes an optional format string:
$ __git_ps1 'git:[%s]'
git:[master]
How to Get It
First, copy the file to som...
WPF: How to display an image at its original size?
...s had been set to 72 DPI, which causes them to appear larger even if the pixel dimensions are 16x16.
– dthrasher
Mar 14 '11 at 0:21
...
What's the best way to check if a file exists in C?
...place your function with
if( access( fname, F_OK ) != -1 ) {
// file exists
} else {
// file doesn't exist
}
You can also use R_OK, W_OK, and X_OK in place of F_OK to check for read permission, write permission, and execute permission (respectively) rather than existence, and you can OR a...
How do I get the directory that a program is running from?
...
Here's code to get the full path to the executing app:
Windows:
int bytes = GetModuleFileName(NULL, pBuf, len);
return bytes ? bytes : -1;
Linux:
int bytes = MIN(readlink("/proc/self/exe", pBuf, len), len - 1);
if(bytes >= 0)
pBuf[bytes] = '\0';
return b...
SQLAlchemy IN clause
...s.id.in_((123,456))).all()
edit: Without the ORM, it would be
session.execute(
select(
[MyUserTable.c.id, MyUserTable.c.name],
MyUserTable.c.id.in_((123, 456))
)
).fetchall()
select() takes two parameters, the first one is a list of fields to retrieve, the second one i...
C# - Selectively suppress custom Obsolete warnings
...System;
class Test
{
[Obsolete("Message")]
static void Foo(string x)
{
}
static void Main(string[] args)
{
#pragma warning disable 0618
// This one is okay
Foo("Good");
#pragma warning restore 0618
// This call is bad
Foo("Bad");
}
}
R...