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How is CountDownLatch used in Java Multithreading?
...mplements Runnable {
CountDownLatch latch;
long workDuration;
String name;
public ProcessThread(String name, CountDownLatch latch, long duration){
this.name= name;
this.latch = latch;
this.workDuration = duration;
}
public void run() {
try ...
What are the most common SQL anti-patterns? [closed]
...+
City + ', ' + State + ' ' + Zip as "Address",
'XXX-XX-' + Substring(
Convert(varchar(9), SSN), 6, 4) as "Social Security #"
FROM Users
Normally, programmers do this because they intend to bind their dataset directly to a grid, and its just convenient to have SQL Server format...
Is it possible to specify the schema when connecting to postgres with JDBC?
...of version 9.4, you can use the currentSchema parameter in your connection string.
For example:
jdbc:postgresql://localhost:5432/mydatabase?currentSchema=myschema
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How can I get the timezone name in JavaScript?
...he timeZone property is set to undefined rather than the user’s timezone string. As best as I can tell, at the time of writing (July 2017) all current browsers except for IE11 will return the user timezone as a string.
sha...
Is there a way of setting culture for a whole application? All current threads and new threads?
...tes in the dataset sent to the report viewer, we formatted the date into a string first, using the culture we had set in the application. Then it didn't really matter anymore that the report rendering threads used the wrong culture. So we didn't work around the problem with the threads using the wro...
WebAPI Delete not working - 405 Method Not Allowed
...the name of the parameter in my Delete method.
I had
public void Delete(string Questionid)
instead of
public void Delete(string id)
I need to use the id name because that's the name that is declared in my WebApiConfig file. Note the id name in the third and fourth lines:
config...
How do I create a dynamic key to be added to a JavaScript object variable [duplicate]
...names are not special as far as simple property access goes. They're just strings that happen to look like numbers, but JavaScript object property names can be any sort of string you like.
Thus, the way the [ ] operator works in a for loop iterating through an array:
for (var i = 0; i < myArray....
Using “like” wildcard in prepared statement
...
You need to set it in the value itself, not in the prepared statement SQL string.
So, this should do for a prefix-match:
notes = notes
.replace("!", "!!")
.replace("%", "!%")
.replace("_", "!_")
.replace("[", "![");
PreparedStatement pstmt = con.prepareStatement(
"SELECT ...
How do I pass parameters to a jar file at the time of execution?
...n() method of "Main-Class" (mentioned in the manifest.mf file of a JAR).
String one = args[0];
String two = args[1];
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java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused
...
in android
Replace: String webServiceUrl = "http://localhost:8080/Service1.asmx"
With : String webServiceUrl = "http://10.0.2.2:8080/Service1.asmx"
Good luck!
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