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PDO mysql: How to know if insert was successful
...ment->execute() returns true on success. There is also PDOStatement->errorCode() which you can check for errors.
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nginx: [emerg] could not build the server_names_hash, you should increase server_names_hash_bucket_s
...ied just various other domains with and without hyphens, but no luck. Same error. what could be causing this? I also tried rebooting, I am really at a loss here. Any help would be greatly appreciated.
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jQuery AJAX file upload PHP
...file to the uploads directory:
<?php
if ( 0 < $_FILES['file']['error'] ) {
echo 'Error: ' . $_FILES['file']['error'] . '<br>';
}
else {
move_uploaded_file($_FILES['file']['tmp_name'], 'uploads/' . $_FILES['file']['name']);
}
?>
Also, a couple thi...
Access restriction: The type 'Application' is not API (restriction on required library rt.jar)
... to me, I just wanted to use javax.smartcardio). In that case, we get this error in Eclipse.
Solution
The solution is to change the access restrictions.
Go to the properties of your Java project,
i.e. by selecting "Properties" from the context menu of the project in the "Package Explorer"....
Breaking loop when “warnings()” appear in R
...
You can turn warnings into errors with:
options(warn=2)
Unlike warnings, errors will interrupt the loop. Nicely, R will also report to you that these particular errors were converted from warnings.
j <- function() {
for (i in 1:3) {
...
Hibernate error - QuerySyntaxException: users is not mapped [from users]
... to get a list of all the users from "users" table and I get the following error:
18 Answers
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Why are empty catch blocks a bad idea? [closed]
...ually empty try-catch is a bad idea because you are silently swallowing an error condition and then continuing execution. Occasionally this may be the right thing to do, but often it's a sign that a developer saw an exception, didn't know what to do about it, and so used an empty catch to silence t...
Command not found error in Bash variable assignment
... If you have a variable with a name that contaings "-", the same error happens. In that case, the solution is to remove the "-"
– chomp
Jun 17 '16 at 2:27
1
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
I get this error message as I execute my JUnit tests:
20 Answers
20
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Combine --user with --prefix error with setup.py install
...and RedHat, which has lead to a bug in virtualenv on these platforms.
The error stems from a system-level distutils configuration file (in my case /usr/lib64/python2.6/distutils/distutils.cfg) where there was this
[install]
prefix=/usr/local
Basically, this is equivalent to always running the in...