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All Ruby tests raising: undefined method `authenticate' for nil:NilClass
...wing and I don't understand why. All methods call raise the 'authenticate' error. I've checked the code if there was a method called "authenticate" but there is no such method.
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how to use javascript Object.defineProperty
...f not true, the property is read only; attempt to write is ignored without error*!
Both descriptors can have these members:
configurable - default false; if not true, the property can't be deleted; attempt to delete is ignored without error*!
enumerable - default false; if true, it will be iter...
Removing pip's cache?
... I have pip 20.1.1 but when I try pip cache purge I get next error: ERROR: No matching packages but I installed a lot of different packages already
– Mikhail_Sam
Jun 16 at 10:59
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...cd to the correct location before executing a command, may lead to cryptic error messages.
On Ubuntu (and probably Debian), provided you are using the "official" repo, deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg main, and provided you haven't changed the default filesystem paths or run...
How can I set a custom date time format in Oracle SQL Developer?
...-MON-RR HH24:MI:SS
As a result, it keeps the default format, without any error.
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Where do I find the current C or C++ standard documents?
...n the standard (less useful - it contains several dangerous and misleading errors).
The C99 and C++03 standards are available in book form from Wiley and the BSI (British Standards Institute):
C++03 Standard on Amazon
C99 Standard on Amazon
Standards committee draft versions (free)
The working...
No increment operator (++) in Ruby? [duplicate]
... x++ then Ruby expects another operand. This is why you tend to get syntax errors if you try to use ++ at the moment as Ruby takes part of the next statement as the operand. += is implemented as call + on the receiver passing the RHS as a parameter and then assign the value returned by + to the vari...
How do I prevent site scraping? [closed]
... proxy servers and VPNs, you will negatively affect real users.
Make your error message nondescript if you do block
If you do block / limit access, you should ensure that you don't tell the scraper what caused the block, thereby giving them clues as to how to fix their scraper. So a bad idea would...
Sending POST data in Android
...ception e) {
// displayLoding(false);
Log.e(TAG, "Error ...");
}
Log.e(TAG, "5 - after Response...");
if (!response.equalsIgnoreCase("")) {
try {
Log.e(TAG, "6 - response !empty...");
//
JSO...
How to check if a file is empty in Bash?
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Using the tool shellcheck can find spelling errors just fine.
– Yokai
Oct 3 '16 at 3:30
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