大约有 10,000 项符合查询结果（耗时：0.0179秒） [XML]
PHPExcel auto size column width
...
If a column is set to AutoSize, PHPExcel attempts to calculate the column width based on the calculated value of the column (so on the result of any formulae), and any additional characters added by format masks such as thousand separators.
By default, th...
What's the difference between the 'ref' and 'out' keywords?
...lt;string>()
When you new up someobject, two parts are created:
The block of memory that holds data for someobject.
A reference (pointer) to that block
of data.
Now when you send in someobject into a method without ref it COPIES the reference pointer, NOT the data. So you now have this:
...
In mocha testing while calling asynchronous function how to avoid the timeout Error: timeout of 2000
...a yourself. You do this by wrapping your assertion callback in a try/catch block and pass any exceptions to the done handler.
it('should not fail', function (done) { // Pass reference here!
i_swallow_errors(function (err, result) {
try { // boilerplate to be able to get the assert failures
...
Java NIO FileChannel versus FileOutputstream performance / usefulness
...a of using FileChannel over FileOutputStream is that performing any of its blocking operations (e.g. read() or write()) from a thread that's in interrupted state will cause the channel to close abruptly with java.nio.channels.ClosedByInterruptException.
Now, this could be a good thing if whatever t...
Capitalize first letter. MySQL
...
http://forge.mysql.com/tools/tool.php?id=201
If there are more than 1 word in the column, then this will not work as shown below.
The UDF mentioned above may help in such case.
mysql> select * from names;
+--------------+
| name |
+--------------...
uncaught syntaxerror unexpected token U JSON
...et, "JSON.parse: unexpected character". I'm returning the json data from a php file and the returning json string is valid. I checked it with http://jsonlint.com/ . Any help would be appreciated... Thanks.
...
How do I set the offset for ScrollSpy in Bootstrap?
...or the container to the opposite of the padding-top. Now your container's block and the anchor begin at the exact top of the page, but the content inside doesn't begin until below the menu bar.
If you're using regular anchors, you can accomplish the same thing by using negative margin-top in you...
Why is the tag deprecated in HTML?
...
the auto margin trick only works for block level elements. use display: block; on an inline element.
– Steve Graham
Dec 14 '09 at 15:21
88
...
Expand div to max width when float:left is set
...s let you float, even with a floating element inside the div. I'ma google "block formatting context." right now.
– Carlos Gil
Oct 17 '12 at 2:23
...
How can I add a box-shadow on one side of an element?
I need to create a box-shadow on some block element, but only (for example) on its right side. The way I do it is to wrap the inner element with box-shadow into an outer one with padding-right and overflow:hidden; so the three other sides of the shadow are not visible.
...