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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...y, 0);. But i think that TryGetValue is still more efficient since the get and set of the indexer property is used, isn't it?
– Tim Schmelter
Oct 1 '15 at 10:44
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Best way to remove an event handler in jQuery?
...nto the text box that this input-image is paired with, I setup an event handler for the input-image . Then when the user clicks the image , they get a little popup to add some notes to the data.
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How to estimate a programming task if you have no experience in it [closed]
...ing too long an estimate. Unanticipated problems occur, priorities change, and requirements are "updated". Even if you don't use all the time you asked for, you will have more testing time, or can release "early".
I've always been far too optimistic in my estimates, and it can put a lot of stress i...
Is there a way to iterate over a slice in reverse in Go?
... The effective go page an example, but this one is actually a bit nicer and declares fewer variables.
– Kevin Cantwell
Dec 5 '13 at 21:07
3
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Swift: Testing optionals for nil
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For those who are new to swift as I am and are wondering: You still have to unwrap xyz inside the if block. It's safe though, even if you force unwrap
– Omar
Jun 10 '19 at 1:05
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Are static fields open for garbage collection?
...ollected for garbage.
Check out the JLS Section 12.7 Unloading of Classes and Interfaces
A class or interface may be unloaded
if and only if its defining class
loader may be reclaimed by the garbage
collector [...] Classes and interfaces
loaded by the bootstrap loader may not
be unloa...
Difference between Python datetime vs time modules
I am trying to figure out the differences between the datetime and time modules, and what each should be used for.
4 An...
How do I measure execution time of a command on the Windows command line?
Is there a built-in way to measure execution time of a command on the Windows command line?
30 Answers
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How do I show my global Git configuration?
... Thanks, I upvoted you both. I wanted to know the git config --list command because I can look at the effective config in a repository and I can differ local, global and system config with the appropriate parameter (--global, --local, --system). I'll accept your answer as soon as I'm able to beca...
How do I ALTER a PostgreSQL table and make a column unique?
..._constraint UNIQUE ((payload::text), name);
– writofmandamus
Oct 6 '17 at 22:22
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