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How can I display a JavaScript object?
...ole.
alert(str); // Displays output using window.alert()
Link to Mozilla API Reference and other examples.
obj = JSON.parse(str); // Reverses above operation (Just in case if needed.)
Use a custom JSON.stringify replacer if you
encounter this Javascript error
"Uncaught TypeError: Converting ...
How do I localize the jQuery UI Datepicker?
...lizing jQuery's $.getScript() to fetch the main library on Google's hosted API.
– Alexander Dixon
Jun 18 '19 at 17:41
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How can I get a java.io.InputStream from a java.lang.String?
...commended, as it may deadlock the thread..." java.sun.com/j2se/1.4.2/docs/api/java/io/PipedInputStream.html
– Bryan Kyle
May 8 '09 at 5:03
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AWS S3: how do I see how much disk space is using
...using the official AWS CLI as below and was introduced in Feb 2014
aws s3api list-objects --bucket BUCKETNAME --output json --query "[sum(Contents[].Size), length(Contents[])]"
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improve th...
Runnable with a parameter?
...answer is to use Consumer<T>:
https://docs.oracle.com/javase/8/docs/api/java/util/function/Consumer.html
It's one of the functional interfaces, which means you can call it as a lambda expression:
void doSomething(Consumer<String> something) {
something.accept("hello!");
}
...
do...
C++及Windows异常处理(try，catch; __try,__finally, __except) - C/C++ - ...
...EH模型，也就是说在C++中调用的时候，其实是调用Windows的API
SEH,又称结构化异常处理.是设计Windows操作系统时提出一个种处理异常的方法。
__try, __except
这组异常处理机制和C++的很相像，只是关键字是except而不是catch
catch 和 ...
How can I connect to MySQL in Python 3 on Windows?
...oesn't have any dependencies.
This pure Python MySQL client provides a DB-API to a MySQL database by talking directly to the server via the binary client/server protocol.
Example:
import pymysql
conn = pymysql.connect(host='127.0.0.1', unix_socket='/tmp/mysql.sock', user='root', passwd=None, db='my...
Where should I put tags in HTML markup?
...using external scripts that support callbacks. Many third party JavaScript APIs now support non-blocking execution. Here is an example of loading the Google Maps API asynchronously.
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What does “Object reference not set to an instance of an object” mean? [duplicate]
...nds on the specific scenario that you've encountered.
If you are using an API or invoking methods that may return null then it's important to handle this gracefully. The main method above can be modified in such a way that the NullReferenceException should never be seen by a user:
static void Main...
Using Java 8's Optional with Stream::flatMap
...:stream)
.findFirst();
Java 8
Yes, this was a small hole in the API, in that it's somewhat inconvenient to turn an Optional<T> into a zero-or-one length Stream<T>. You could do this:
Optional<Other> result =
things.stream()
.map(this::resolve)
.fl...