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What's the best way to retry an AJAX request on failure using jQuery?
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will this work if another callback handler like .success is attached to calling the function that returns this ajax request?
– ProblemsOfSumit
Jan 21 '15 at 12:17
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Checking for a null int value from a Java ResultSet
... declaration. In which case your test is completely redundant.
If you actually want to do something different if the field value is NULL, I suggest:
int iVal = 0;
ResultSet rs = magicallyAppearingStmt.executeQuery(query);
if (rs.next()) {
iVal = rs.getInt("ID_PARENT");
if (rs.wasNull()) {
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How to force a view refresh without having it trigger automatically from an observable?
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You can't call something on the entire viewModel, but on an individual observable you can call myObservable.valueHasMutated() to notify subscribers that they should re-evaluate. This is generally not necessary in KO, as you mentioned.
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codestyle; put javadoc before or after annotation?
... private method. Replaced by
* {@link #remove(int)} and {@link #removeAll()}
*/
@Deprecated public synchronized void delItems(int start, int end) {
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}
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Remove leading or trailing spaces in an entire column of data
How do I remove leading or trailing spaces of all cells in an entire column?
6 Answers
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How to determine if a decimal/double is an integer?
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For floating point numbers, n % 1 == 0 is typically the way to check if there is anything past the decimal point.
public static void Main (string[] args)
{
decimal d = 3.1M;
Console.WriteLine((d % 1) == 0);
d = 3.0M;
Console.WriteLine((d % 1) == 0);
}
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GIT merge error “commit is not possible because you have unmerged files”
...rrent branch. Git flagged it as a conflict, so I had to delete the file locally then git add the_file in order to commit the merge.
– Brendon Muir
Sep 15 '16 at 23:14
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What does HTTP/1.1 302 mean exactly?
...rom one URI to another), but I detected this "302" even when there was actually no jumping at all!
14 Answers
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How can I benchmark JavaScript code? [closed]
...ming a pre-defined number of iterations of your code is not bulletproof at all. Also, having Firebug open disables Firefox’s Just-In-Time (JIT) compiler, which means the tests will be running in the interpreter, i.e. much slower than they would otherwise. Using Firebug’s profiler won’t give yo...
Single Sign On across multiple domains [closed]
...hat manages the logins.
Each client domain has the script client_login.php
All the domains have a shared user session database.
When the client domain requires the user to be logged in, it redirects to the master domain (login.mydomain.com/master_login.php). If the user has not signed in to the mast...