大约有 7,799 项符合查询结果（耗时：0.0260秒） [XML]
How do I get a file's directory using the File object?
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File API File.getParent or File.getParentFile should return you Directory of file.
Your code should be like :
File file = new File("c:\\temp\\java\\testfile");
if(!file.exists()){
file = file.getParentFile();
...
How to get all child inputs of a div element (jQuery)
...his is another type of selector like `:checkbox' is, see here for details: api.jquery.com/input-selector And here's a more complete list of these: api.jquery.com/category/selectors/form-selectors
– Nick Craver♦
Mar 8 '10 at 16:18
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How to process POST data in Node.js?
...email]">
<input type="submit" value="Submit">
</form>
API client:
fetch('/', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
user: {
name: "John",
email: "john@example.com"
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Replacing all non-alphanumeric characters with empty strings
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@JakubTurcovsky docs.oracle.com/javase/10/docs/api/java/util/regex/Pattern.html defines IsAlphabetic and IsDigit as binary properties. Alpha and Digit are POSIX character classes (US-ASCII only). Except the docs.oracle.com/javase/10/docs/api/java/util/regex/… flag is sp...
Type List vs type ArrayList in Java [duplicate]
...(...) or Arrays.asList(...) don't return an ArrayList.
Methods in the List API don't guarantee to return a list of the same type.
For example of someone getting burned, in https://stackoverflow.com/a/1481123/139985 the poster had problems with "slicing" because ArrayList.sublist(...) doesn't ret...
Custom HTTP Authorization Header
...put custom data in an HTTP authorization header. We're designing a RESTful API and we may need a way to specify a custom method of authorization. As an example, let's call it FIRE-TOKEN authentication.
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How to get the last date of a particular month with JodaTime?
... @Jon Skeet How to get this using Java 8's new Date and Time API?
– Warren Nocos
Nov 9 '15 at 12:21
5
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Timeout jQuery effects
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Update: As of jQuery 1.4 you can use the .delay( n ) method. http://api.jquery.com/delay/
$('.notice').fadeIn().delay(2000).fadeOut('slow');
Note: $.show() and $.hide() by default are not queued, so if you want to use $.delay() with them, you need to configure them that way:
$('.notice')...
What exactly is a Context in Java? [duplicate]
...ate of other classes, state of the current environment, etcetera.
In some API's you see this name back in an interface/class, e.g. Servlet's ServletContext, JSF's FacesContext, Spring's ApplicationContext, Android's Context, JNDI's InitialContext, etc. They all often follow the Facade Pattern which...
JSON.stringify output to div in pretty print way
...gle-line of JSON because that's how the string is provided already (via an api or some function/page out of your control), you can reformat it like this:
HTML:
<pre id="json">{"some":"JSON string"}</pre>
JavaScript:
(function() {
var element = document.getElementById("js...