大约有 23,000 项符合查询结果（耗时：0.0341秒） [XML]
What is correct content-type for excel files? [duplicate]
...t is created in the versions of Excel prior to 2007. It is a binary format based upon Binary Interchange File Format (BIFF) and thus it stores information in binary format."
– Steve Chambers
Oct 31 '16 at 9:58
...
count(*) vs count(column-name) - which is more correct? [duplicate]
...s a non-null expressions
Your use of COUNT(*) or COUNT(column) should be based on the desired output only.
share
|
improve this answer
|
follow
|
...
Writing a new line to file in PHP (line feed)
...ems have different conventions for line endings. Windows uses "\r\n", unix based operating systems use "\n". You should stick to one convention (I'd chose "\n") and open your file in binary mode (fopen should get "wb", not "w").
...
python ? (conditional/ternary) operator for assignments [duplicate]
... operator. This allows you to make very terse choices between two values based on the truth of a condition, which makes expressions, including assignments, very concise.
...
How to add `style=display:“block”` to an element using jQuery?
...
There are multiple function to do this work that wrote in bottom based on priority.
.css()
Set one or more CSS properties for the set of matched elements.
$("div").css("display", "block")
// Or add multiple CSS properties
$("div").css({
display: "block",
color: "red",
...
})
....
Escape string for use in Javascript regex [duplicate]
I am trying to build a javascript regex based on user input:
1 Answer
1
...
Altering a column to be nullable
...
Assuming SQL Server (based on your previous questions):
ALTER TABLE Merchant_Pending_Functions ALTER COLUMN NumberOfLocations INT NULL
Replace INT with your actual datatype.
...
Locate Git installation folder on Mac OS X
...
On most of UNIX based sys, its at /usr/bin/git (if installed with default options)
all git related scripts are at /usr/libexec/git-core
share
|
...
delete vs delete[] [duplicate]
...o a
non-array object or a pointer to a
sub-object (1.8) representing a base
class of such an object (clause 10).
If not, the behavior is undefined.
In the second alternative (delete
array), the value of the operand of
delete shall be the pointer value
which resulted from a previou...
How do I remove the horizontal scrollbar in a div?
...o display: none;
One thing to note is that this will only work for WebKit-based browsers (like Chrome) as there is no such option available for Mozilla.
In order to select the scrollbar, use ::-webkit-scrollbar
So the final code will be like this:
div::-webkit-scrollbar {
display: none;
}
...