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Get the data received in a Flask request
...l not be uploaded.
request.values: combined args and form, preferring args if keys overlap
request.json: parsed JSON data. The request must have the application/json content type, or use request.get_json(force=True) to ignore the content type.
All of these are MultiDict instances (except for json)...
How to create nonexistent subdirectories recursively using Bash?
... can use the -p parameter, which is documented as:
-p, --parents
no error if existing, make parent directories as needed
So:
mkdir -p "$BACKUP_DIR/$client/$year/$month/$day"
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UINavigationBar Hide back Button Text
...ge the Back Button string to what you'd like the back button to appear as. If you want it blank, for example, just put a space.
You can also change it with this line of code:
[self.navigationItem.backBarButtonItem setTitle:@"Title here"];
Or in Swift:
self.navigationItem.backBarButtonItem?.title...
Remove white space below image [duplicate]
...
Use vertical-align: middle if you need the image to play nicely with other things in the same box. In the rare case that the box contains several tiny images and no text, you might need to set font-size: 0 on the containing box.
–...
Python: Bind an Unbound Method?
...d accept the
instance as the first argument, i.e. "self".
"""
if as_name is None:
as_name = func.__name__
bound_method = func.__get__(instance, instance.__class__)
setattr(instance, as_name, bound_method)
return bound_method
class Thing:
def __init__(self, val):...
At runtime, find all classes in a Java application that extend a base class
... aClass : classes) {
System.out.println(aClass.getName());
if(aClass == ArrayList.class) {
List list = aClass.newInstance();
list.add("test");
System.out.println(list.getClass().getName() + ": " + list.size());
}
}
}
...
How to wait for a keypress in R?
... readline(). Simply write:
readline(prompt="Press [enter] to continue")
If you don't want to assign it to a variable and don't want a return printed in the console, wrap the readline() in an invisible():
invisible(readline(prompt="Press [enter] to continue"))
...
How can I run a function from a script in command line?
...
If the script only defines the functions and does nothing else, you can first execute the script within the context of the current shell using the source or . command and then simply call the function. See help source for mo...
Easiest way to copy a table from one database to another?
... one database to a table in another database when the databases are under different users?
18 Answers
...
Error in if/while (condition) {: missing Value where TRUE/FALSE needed
...
The evaluation of condition resulted in an NA. The if conditional must have either a TRUE or FALSE result.
if (NA) {}
## Error in if (NA) { : missing value where TRUE/FALSE needed
This can happen accidentally as the results of calculations:
if(TRUE && sqrt(-1)) ...