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How to compare only Date without Time in DateTime types in Linq to SQL with Entity Framework?
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What exactly do you mean by "true comparison"?
– Randolpho
Mar 25 '09 at 19:29
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Remove an item from a dictionary when its key is unknown
...ot always the case with two object that compare equal with ==). If you are doing this on purpose, then you could rewrite your code as
some_dict = {key: value for key, value in some_dict.items()
if value is not value_to_remove}
But this may not do what you want:
>>> some_di...
Postgresql: Scripting psql execution with password
How can I call psql so that it doesn't prompt for a password ?
15 Answers
15
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MySQL Cannot drop index needed in a foreign key constraint
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That's great, but what can I do if my FOREIGN KEY constraint was anonymous?
– Pehat
Jul 8 '16 at 14:48
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Shell equality operators (=, ==, -eq)
...teger expression expected
2
(Side note: Quote those variable expansions! Do not leave out the double quotes above.)
If you're writing a #!/bin/bash script then I recommend using [[ instead. The doubled form has more features, more natural syntax, and fewer gotchas that will trip you up. Double qu...
Parse v. TryParse
...whereas TryParse returns a bool indicating whether it succeeded.
TryParse does not just try/catch internally - the whole point of it is that it is implemented without exceptions so that it is fast. In fact the way it is most likely implemented is that internally the Parse method will call TryParse ...
How to get the first five character of a String
...Instead test for null+empty, then Trim if that is specified behavior, then do whatever tests/operations are needed.)
– ToolmakerSteve
Feb 12 '18 at 16:05
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What are the mechanics of short string optimization in libc++?
...ill create run time errors.
I recommend this flag only be changed by a vendor of libc++.
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How to compare UIColors?
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Thanks. What is the difference with isEqualTo? Also, do you know how to display it in the debugger?
– 4thSpace
Jun 9 '09 at 15:19
95
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How to delete a file via PHP?
How do I delete a file from my server with PHP if the file is in another directory?
6 Answers
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