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_=> what does this underscore mean in Lambda expressions?
What does an lambda expression like _=> expr mean?
5 Answers
5
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Skip download if files exist in wget?
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Try the following parameter:
-nc, --no-clobber: skip downloads that would download to
existing files.
Sample usage:
wget -nc http://example.com/pic.png
shar...
Restore file from old commit in git
I have an old commit that I did a few weeks ago. I want to restore only a single file from that commit. What do I do?
4 Ans...
Get GPS location from the web browser
... Is the Google Client Location API mentioned still around? The link provided goes to Google Loader
– Shane N
Feb 24 '12 at 2:04
1
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How to read last commit comment?
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CB BaileyCB Bailey
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How to check if a query string value is present via JavaScript?
How can I check if the query string contains a q= in it using JavaScript or jQuery?
10 Answers
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Creation timestamp and last update timestamp with Hibernate and MySQL
...using the JPA annotations, you can use @PrePersist and @PreUpdate event hooks do this:
@Entity
@Table(name = "entities")
public class Entity {
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private Date created;
private Date updated;
@PrePersist
protected void onCreate() {
created = new Date();
}
@PreUpdate
protec...
How to make Java honor the DNS Caching Timeout?
...that's closest to the server with least load. For the load-balancing to work, the application server needs to honor the TTL from DNS response and to resolve the domain name again when cache times out. However, I couldn't figure out a way to do this in Java.
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How to enumerate an enum with String type?
For example, how can I do something like:
42 Answers
42
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Elegant way to search for UTF-8 files with BOM?
...ly search a directory for all files which start with a UTF-8 byte order mark (BOM). My current solution is a simple shell script:
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