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Can I query MongoDB ObjectId by date?
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I get ReferenceError: ObjectId is not defined. How do i fix that?
– peter
Mar 18 '13 at 6:17
3
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Inserting a Python datetime.datetime object into MySQL
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You are most likely getting the TypeError because you need quotes around the datecolumn value.
Try:
now = datetime.datetime(2009, 5, 5)
cursor.execute("INSERT INTO table (name, id, datecolumn) VALUES (%s, %s, '%s')",
("name", 4, now))
With r...
Vagrant's port forwarding not working [closed]
...p://localhost:4567/' from your host machine. Curl might give you a better error message than Safari.
I'd check that there are no firewalls set up restricting access to port 80. The default Vagrant VM (Ubuntu) doesn't come with a firewall set up, but you said you're using something else, so it mig...
How do I adb pull ALL files of a folder present in SD Card
...to restart adb as root: type adb root before pull. Otherwise you'll get an error saying remote object '/data/data/xxx.example.app' does not exist
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Replace transparency in PNG images with white background
...Magick "convert" operations, but either nothing happens at all or I get an error. I don't want to go to an intermediate JPG form because I don't want the artifacts. Of course it's easy to do this in Gimp or Photoshop or whatever, but I'd really rather script it from the command line because there ...
Access an arbitrary element in a dictionary in Python
...e way :
dict.keys()
return a value in type : dict_keys(), we'll got an error when got 1st member of keys of dict by this way:
dict.keys()[0]
TypeError: 'dict_keys' object does not support indexing
Finally, I convert dict.keys() to list @1st, and got 1st member by list splice method:
list(dic...
Default parameters with C++ constructors [closed]
...se your ctor logic should be as minimal as possible. How do you deal with error handling in the ctor, should somebody pass in an argument that doesn't make any sense? You can either throw an exception, which is bad news unless all of your callers are prepared t
How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
...oop in the normal way, the java.util.ConcurrentModificationException is an error related to the elements that are accessed.
So try:
for(int i = 0; i < list.size(); i++){
lista.get(i).action();
}
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Difference between initLoader and restartLoader in LoaderManager
...en orientation changes and would like to say that after a lot of trial-and-error, the following pattern works for me in both Activities and Fragments:
onCreate: call initLoader(s)
set a one-shot flag
onResume: call restartLoader (or later, as applicable) if the one-shot is not set.
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How can I find where Python is installed on Windows?
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Error: "C:\WINDOWS\system32>import os 'import' is not recognized as an internal or external command, operable program or batch file."
– David Spector
Nov 25 '19 at 21:40
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