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How to declare and add items to an array in Python?
...To initialize an empty dictionary use {} or dict()
Dictionaries have keys and values
my_dict = {'key':'value', 'another_key' : 0}
To extend a dictionary with the contents of another dictionary you may use the update method
my_dict.update({'third_key' : 1})
To remove a value from a dictionary
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How can I generate Unix timestamps?
...tOS host (SunOS 5.11 joyent_20171026T003127Z), I've both /usr/bin/date +%s and /usr/xpg4/bin/date +%s` working. Combined with the POSIX.2 recommendation, I think this works on all Solaris too.
– Dereckson
Nov 5 '17 at 17:21
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Regex for numbers only
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Use the beginning and end anchors.
Regex regex = new Regex(@"^\d$");
Use "^\d+$" if you need to match more than one digit.
Note that "\d" will match [0-9] and other digit characters like the Eastern Arabic numerals ٠١٢٣٤٥٦٧٨٩. ...
How Python web frameworks, WSGI and CGI fit together
...rives.
The reason this is so great is that we can avoid the messy step of converting from a HTTP GET/POST to CGI to Python, and back again on the way out. It's a much more direct, clean and efficient linkage.
It also makes it much easier to have long-running frameworks running behind web servers, ...
How to Reload ReCaptcha using JavaScript?
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i'm using this grecaptcha.reset(); for my react apps, and it works perfectly
– yussan
Apr 16 '16 at 16:41
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How to find controls in a repeater header or footer
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You can take a reference on the control on the ItemCreated event, and then use it later.
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Java - removing first character of a string
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Use substring() and give the number of characters that you want to trim from front.
String value = "Jamaica";
value = value.substring(1);
Answer: "amaica"
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Sort JavaScript object by key
...'re sorting those using default sorting algorithm, next .reduce is used to convert that array back into an object, but this time with all of the keys sorted.
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Are static class variables possible in Python?
...t;>> MyClass.i, m.i
>>> (3, 4)
This is different from C++ and Java, but not so different from C#, where a static member can't be accessed using a reference to an instance.
See what the Python tutorial has to say on the subject of classes and class objects.
@Steve Johnson has alrea...
Selecting a row in DataGridView programmatically
...Grid.Rows(0).Cells(0)
Combining the lines above will position the cursor and select a row. This is the standard procedure for focusing and selecting a row in a DataGridView:
Grid.CurrentCell = Grid.Rows(0).Cells(0)
Grid.Rows(0).Selected = True
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