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HTTP headers in Websockets client API
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Updated 2x
Short answer: No, only the path and protocol field can be specified.
Longer answer:
There is no method in the JavaScript WebSockets API for specifying additional headers for the client/browser to send. The HTTP path ("GET /xyz") and protocol header ("Sec-WebSocket-Protocol") can be sp...
Replace only text inside a div using jquery
... this is worked but how can sure to executed or not ? can i run exception if blank or tag changed? in unsuccessful bindings because this div created by code.from REST or database
– saber tabatabaee yazdi
May 1 '17 at 7:07
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When to use SELECT … FOR UPDATE?
...ffect of concurrency control, and you achieve the same results without specifying FOR UPDATE explicitly.
To solve this problem, Thread 1 should SELECT id FROM rooms FOR UPDATE, thereby preventing Thread 2 from deleting from rooms until Thread 1 is done. Is that correct?
This depends on the c...
How to make a smaller RatingBar?
... you to poke around in but I'm a new user and can't post more than 1 URL. If you dig your way through the source tree, it's located at frameworks/base/core/java/android/widget/RatingBar.java
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Restart node upon changing a file
... can also watch for changing files and restart node as needed.
Install it if you don't have it already:
npm install forever -g
After installing it, call the forever command: use the -w flag to watch file for changes:
forever -w ./my-script.js
In addition, you can watch directory and ignore pa...
How can I force gradle to redownload dependencies?
... next build Gradle would attempt to download them again.
What is your specific use case? Do you use dynamic dependency versions or SNAPSHOT versions?
On Unix systems, you can delete all the existing artifacts (artifacts and metadata) Gradle has downloaded using:
rm -rf $HOME/.gradle/caches/
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What is the C# equivalent to Java's isInstance()?
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@TimothyGonzalez Because it does something different. It tests whether two variables have the same type. is required a type name, by contrast. This is what OP wanted: the equivalent of Java's isInstance. The other answer is simply wrong despite the ridiculous number of...
Count cells that contain any text
...as its not empty/blank, count it. I believe this is what you want.
=COUNTIF(A1:A10, "<>")
Otherwise you can use CountA as Scott suggests
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decimal vs double! - Which one should I use and when? [duplicate]
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For money, always decimal. It's why it was created.
If numbers must add up correctly or balance, use decimal. This includes any financial storage or calculations, scores, or other numbers that people might do by hand.
If the exact value of numbers is not important, use double...
jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
...dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
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