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Most pythonic way to delete a file which may not exist
...ob("*.csv"):
os.remove(filename)
Glob finds all the files that could select the pattern with a *nix wildcard, and loops the list.
What is the facade design pattern?
...e which specific functions to call. You want to book a "tour package", you select the hotel, cab, flight at one place/form then internally the facade invokes the functions of different appropriate classes and return you a final result. Isn't it?
– Arun Raaj
Feb...
Is it possible to send an array with the Postman Chrome extension?
...ote:
If you are using the postman packaged app, you can send an array by selecting raw / json (instead of form-data). Also, make sure to set Content-Type as application/json in Headers tab.
Here is example for raw data {"user_ids": ["123" "233"]}, don't forget the quotes!
If you are using the p...
Mercurial — revert back to old version and continue from there
...
You can also select a specific revision. e.g. hg revert path/to/file -r478
– Matt
Sep 3 '19 at 21:53
add a comme...
How to debug a maven goal with intellij idea?
...log) and set a breakpoint. Right-clicking on the desired Maven target and selecting 'Debug' as others have mentioned worked perfectly
– Patrick Herrera
Aug 29 at 8:10
add a c...
Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
...need to generate the OperationID by yourself. The new id can be fetched by SELECT SCOPE_IDENTITY().
– Hakan Winther
Aug 26 '09 at 13:29
15
...
Send and receive messages through NSNotificationCenter in Objective-C?
..."TestNotification"
// notifications using the receiveTestNotification: selector. By
// specifying object:nil, we tell the notification center that we are not
// interested in who posted the notification. If you provided an actual
// object rather than nil, the notification center wil...
What's the bad magic number error?
...y mode to Programmer (Scientific in XP) to see Hex and Decimal conversion. Select "Hex" from Radio button. Enter values as second byte first and then the first byte i.e f303 Now click on "Dec" (Decimal) radio button. The value displayed is one which is correspond to the magic number aka version of p...
S3 - Access-Control-Allow-Origin Header
...ence from Amazon about that. Pretty much, just go to your bucket, and then select "Properties" from the tabs on the right, open "Permissions tab and then, click on "Edit CORS Configuration".
Originally, I had < AllowedOrigin> set to *. Just change that asterisk to your URL, be sure to include ...
How do I make text bold in HTML?
...se a "label" element, programmatically associate it with the the relevant "select", "input" or "textarea" element by giving it a "for" attribute matching an "id" attribute on the target, and suggest a bold style for it within your CSS ("label {font-weight: bold;"}).
Want to embolden a heading for a ...
