大约有 46,000 项符合查询结果（耗时：0.0632秒） [XML]
How do I add 24 hours to a unix timestamp in php?
...
303
You probably want to add one day rather than 24 hours. Not all days have 24 hours due to (among...
How to write LDAP query to test if user is member of a group?
...mber of a particular group. Is it possible to do that so that I get either 0 or 1 result records?
4 Answers
...
How do I resolve configuration errors with Nant 0.91?
After downloading Nant 0.91, I'm getting some rather cryptic configuration errors relating to configuration or security (see below).
...
Replacing some characters in a string with another character
...
340
echo "$string" | tr xyz _
would replace each occurrence of x, y, or z with _, giving A__BC___D...
How do I trim a file extension from a String in Java?
...
290
This is the sort of code that we shouldn't be doing ourselves. Use libraries for the mundane stu...
Use JavaScript to place cursor at end of text in text input element
...s as follows:
<input id="search" type="text" value="mycurrtext" size="30"
onfocus="this.value = this.value;" name="search"/>
This works in both IE7 and FF3
share
|
improve this answ...
Is there a difference between /\s/g and /\s+/g?
...g replaced with the empty string because of the +.
However, just like how 0 multiplied by anything else is 0, it seems as if both methods strip spaces in exactly the same way.
If you change the replacement string to '#', the difference becomes much clearer:
var str = ' A B C D EF ';
console.l...
Example of multipart/form-data
...ng a similar, but more in-depth answer at: https://stackoverflow.com/a/28380690/895245
To see exactly what is happening, use nc -l or an ECHO server and an user agent like a browser or cURL.
Save the form to an .html file:
<form action="http://localhost:8000" method="post" enctype="multipart/f...
Android - shadow on text?
...textSize">12sp</item>
<item name="android:shadowColor">#000000</item>
<item name="android:shadowDx">1</item>
<item name="android:shadowDy">1</item>
<item name="android:shadowRadius">1</item>
</style>
And in your layou...
Why does PostgreSQL perform sequential scan on indexed column?
...
If the SELECT returns more than approximately 5-10% of all rows in the table, a sequential scan is much faster than an index scan.
This is because an index scan requires several IO operations for each row (look up the row in the index, then retrieve the row from the heap...