大约有 44,000 项符合查询结果（耗时：0.0624秒） [XML]
Using PowerShell credentials without being prompted for a password
... <any other parameters relevant to you>
You may need a different -Authentication switch value because I don't know your environment.
share
|
improve this answer
|
...
What is the behavior of integer division?
...perator is the algebraic quotient with any
fractional part discarded.88) If the quotient a/b is representable, the expression
(a/b)*b + a%b shall equal a.
and the corresponding footnote:
88) This is often called ‘‘truncation toward zero’’.
Of course two points to note are:
3 ...
How can I install a local gem?
If I download a .gem file to a folder in my computer, can I install it later using gem install ?
9 Answers
...
Remove a fixed prefix/suffix from a string in Bash
... There are also ## and %% , which remove as much as possible if $prefix or $suffix contain wildcards.
– pts
May 18 '13 at 11:48
30
...
PG undefinedtable error relation users does not exist
...migrations. It will only use the
contents of the current schema.rb file. If a migration can't be rolled back,
rake db:reset may not help you. To find out more about dumping the schema see
Schema Dumping and You section. Rails Docs
If the trick doesn't help, drop the database, then re-create ...
How do I execute a stored procedure once for each row returned by query?
...ter than manual while-loops; more details in this SO question
ADDENDUM 2: if you will be processing more than just a few records, pull them into a temp table first and run the cursor over the temp table; this will prevent SQL from escalating into table-locks and speed up operation
ADDENDUM 3: and ...
How to use Checkbox inside Select Option
...eckboxes() {
var checkboxes = document.getElementById("checkboxes");
if (!expanded) {
checkboxes.style.display = "block";
expanded = true;
} else {
checkboxes.style.display = "none";
expanded = false;
}
}
.multiselect {
width: 200px;
}
.selectBox {
positio...
How to change the Eclipse default workspace?
...
If you mean "change workspace" go to File -> Switch Workspace
share
|
improve this answer
|
foll...
Execute a terminal command from a Cocoa app
...n/grep foo bar.txt'.
int pid = [[NSProcessInfo processInfo] processIdentifier];
NSPipe *pipe = [NSPipe pipe];
NSFileHandle *file = pipe.fileHandleForReading;
NSTask *task = [[NSTask alloc] init];
task.launchPath = @"/usr/bin/grep";
task.arguments = @[@"foo", @"bar.txt"];
task.standardOutput = pi...
How can I convert ereg expressions to preg in PHP?
...str);
preg_match('(^hello)', $str);
preg_match('{^hello}', $str);
// etc
If your delimiter is found in the regular expression, you have to escape it:
ereg('^/hello', $str);
preg_match('/^\/hello/', $str);
You can easily escape all delimiters and reserved characters in a string by using preg_quo...