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Node.js Mongoose.js string to ObjectId function
Is there a function to turn a string into an objectId in node using mongoose? The schema specifies that something is an ObjectId, but when it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") .
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Is there an auto increment in sqlite?
...ect (bold & italic are mine):
The AUTOINCREMENT keyword imposes extra CPU, memory, disk space, and
disk I/O overhead and should be avoided if not strictly needed. It is
usually not needed.
In SQLite, a column with type INTEGER PRIMARY KEY is an alias for the
ROWID (except in WITHO...
How to do URL decoding in Java?
...t have anything to do with character encodings such as UTF-8 or ASCII. The string you have there is URL encoded. This kind of encoding is something entirely different than character encoding.
Try something like this:
try {
String result = java.net.URLDecoder.decode(url, StandardCharsets.UTF_8....
How to read keyboard-input?
...
always put an space after your string for the user to enter his input if peace. Enter Tel12340404 vs Enter Tel: 12340404. see! :P
– Mehrad
May 6 '14 at 0:10
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How to rename a file using Python
... as well:
ext = p.suffix
We can perform our modification with a simple string manipulation:
Python 3.6 and greater make use of f-strings!
new_file_name = f"{name_without_extension}_1"
Otherwise:
new_file_name = "{}_{}".format(name_without_extension, 1)
And now we can perform our rename by...
SQL Case Sensitive String Compare
How do you compare strings so that the comparison is true only if the cases of each of the strings are equal as well. For example:
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How do I reference a javascript object property with a hyphen in it?
... to remember when accessing properties this way
they are evaluated so use strings unless you are doing something with a counter or using dynamic method names.
this means obj[method] would give you an undefined error
while obj["method"] would not
You must use this notation if you are using characte...
SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
...f your .py file. To get more advanced, you can also define encodings on a string by string basis in your code. However, if you are trying to put the pound sign literal in to your code, you'll need an encoding that supports it for the entire file.
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How to convert std::string to lower case?
I want to convert a std::string to lowercase. I am aware of the function tolower() , however in the past I have had issues with this function and it is hardly ideal anyway as use with a std::string would require iterating over each character.
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How to access object attribute given string corresponding to name of that attribute
...this and say i have a dataframe df1,and a variable x = 'df1' i.e. df1 as a string in var x. i want to print the shape of df like this, getattr(x, 'shape') or getattr('df1', 'shape'). I know this cannot be done with getattr, any other methods.
– ihightower
Feb 1...