大约有 37,000 项符合查询结果（耗时：0.0308秒） [XML]
Make fill entire screen?
I'm using a radial gradient as the background on my webpage, like so:
9 Answers
9
...
How to pass command line arguments to a rake task
I have a rake task that needs to insert a value into multiple databases.
18 Answers
...
Remote Connections Mysql Ubuntu
...
To expose MySQL to anything other than localhost you will have to have the following line
For mysql version 5.6 and below
uncommented in /etc/mysql/my.cnf and assigned to your computers IP address and not loopback
For mysql ve...
Can I set an opacity only to the background image of a div?
...
Nope, this cannot be done since opacity affects the whole element including its content and there's no way to alter this behavior. You can work around this with the two following methods.
Secondary div
Add another div element...
ReactJS - Does render get called any time “setState” is called?
Does React re-render all components and sub components every time setState() is called?
7 Answers
...
Select all elements with “data-” attribute without using jQuery
Using only JavaScript, what is the most efficient way to select all DOM elements that have a certain data- attribute (let's say data-foo ). The elements may be different tag elements.
...
Ternary Operator Similar To ?:
...
We can combine How to define a ternary operator in Scala which preserves leading tokens? with the answer to Is Option wrapping a value a good pattern? to get
scala> "Hi".getClass.getSimpleName |> {x => x.endsWith("$") ? x.init | x}
res0: String = String...
Where to learn about VS debugger 'magic names'
If you've ever used Reflector, you probably noticed that the C# compiler generates types, methods, fields, and local variables, that deserve 'special' display by the debugger. For instance, local variables beginning with 'CS$' are not displayed to the user. There are other special naming conventions...
Get size of folder or file
...ory tree recursively (using the listFiles() method of a file object that represents a directory) and accumulate the directory size for yourself:
public static long folderSize(File directory) {
long length = 0;
for (File file : directory.listFiles()) {
if (file.isFile())
...
Sending email with PHP from an SMTP server
I have trouble sending email in PHP. I get an error: SMTP server response: 530 SMTP authentication is required .
8 Answers...