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Does R have an assert statement as in python?
a statement that checks if something is true and if not prints a given error message and exits
3 Answers
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How to handle exceptions in a list comprehensions?
...you can't; 2) practically, you delegate the job to a function or check for error prone values when that's feasible. Your repeated claim that this is not an answer is thus unfounded.
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angular js unknown provider
...ze" the mongolab example to fit my own REST API. Now I'm running into this error and I am not sure what I am doing wrong:
3...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
...ebrew install mysql , but when I tried mysql -u root I got the following error:
27 Answers
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rsync error: failed to set times on “/foo/bar”: Operation not permitted
I'm getting a confusing error from rsync and the initial things I'm finding from web searches (as well as all the usual chmod'ing) are not solving it:
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What's the best way to retry an AJAX request on failure using jQuery?
...imit : 3,
success : function(json) {
//do something
},
error : function(xhr, textStatus, errorThrown ) {
if (textStatus == 'timeout') {
this.tryCount++;
if (this.tryCount <= this.retryLimit) {
//try again
$.ajax(t...
What is causing “Unable to allocate memory for pool” in PHP?
...d to change from file-backed to POSIX-compliant in order to get rid of the error.
– Attila Fulop
Jul 24 '12 at 9:45
4
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PHP cURL HTTP CODE return 0
...$httpCode != 200 ){
echo "Return code is {$httpCode} \n"
.curl_error($ch);
} else {
echo "<pre>".htmlspecialchars($response)."</pre>";
}
curl_close($ch);
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“Cannot connect to iTunes Store” in-app purchases
...d out of any production iTunes accounts on the device.
I was getting this error on my test phone which was logged in with my actual iTunes account. You cannot test apps using your production iTunes account, hence the error. I just wish Apple provided a better error so as to avoid this guesswork...
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Error 1022 - Can't write; duplicate key in table
I'm getting a 1022 error regarding duplicate keys on create table command. Having looked at the query, I can't understand where the duplication is taking place. Can anyone else see it?
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