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Find size of an array in Perl
...m to have come across several different ways to find the size of an array. What is the difference between these three methods?
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Laravel - Route::resource vs Route::controller
...tion show($id) {}
public function store() {}
}
You can also choose what actions are included or excluded like this:
Route::resource('users', 'UsersController', [
'only' => ['index', 'show']
]);
Route::resource('monkeys', 'MonkeysController', [
'except' => ['edit', 'create']
]...
Assigning variables with dynamic names in Java
...va. Java variables have to be declared in the source code1.
Depending on what you are trying to achieve, you should use an array, a List or a Map; e.g.
int n[] = new int[3];
for (int i = 0; i < 3; i++) {
n[i] = 5;
}
List<Integer> n = new ArrayList<Integer>();
for (int i = 1; i...
Primary key/foreign Key naming convention [closed]
In our dev group we have a raging debate regarding the naming convention for Primary and Foreign Keys. There's basically two schools of thought in our group:
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Create Pandas DataFrame from a string
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what if there's no permission to create file?
– BingLi224
Mar 1 at 4:41
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Regular expression for letters, numbers and - _
... note that this will match things like ....., etc, which may or may not be what you desire. If you can be more specific what pattern you want to match, the regex will be slightly more complicated.
The above regex also matches the empty string. If you need at least one character, then use + (one-or-...
What is & used for
....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f9084237%2fwhat-is-amp-used-for%23new-answer', 'question_page');
}
);
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Name
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Installation Issue with matplotlib Python [duplicate]
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Problem Cause
In mac os image rendering back end of matplotlib (what-is-a-backend to render using the API of Cocoa by default). There are Qt4Agg and GTKAgg and as a back-end is not the default. Set the back end of macosx that is differ compare with other windows or linux os.
Solution
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Import PEM into Java Key Store
...---
-----BEGIN CERTIFICATE-----
...
-----END CERTIFICATE-----
Here is what I did
Split the file into three separate files, so that each one contains just one entry,
starting with ---BEGIN.. and ending with ---END.. lines. Lets assume we now have three files: cert1.pem, cert2.pem, and pkey.pem...
How to print out all the elements of a List in Java?
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It's just an assumption, since I don't know what kind of Object inside the list.
– Crazenezz
Nov 17 '17 at 9:43
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