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How do I add a ToolTip to a control?
... this properly in code, but also in the designer (There is a ToolTip component in the toolbox, but I don't quite.. get it).
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What is the global interpreter lock (GIL) in CPython?
...r weight" than creating multiple threads, but if you really need get work done in parallel, in python, it is an option.
– AJNeufeld
Jun 30 '16 at 19:25
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Cache Invalidation — Is there a General Solution?
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What you are talking about is lifetime dependency chaining, that one thing is dependent on another which can be modified outside of it's control.
If you have an idempotent function from a, b to c where, if a and b are the same then c is the same but the cost of checking b is high then you...
When is the thread pool used?
... in a single event loop. It's single threaded, and you only ever get that one thread. All of the javascript you write executes in this loop, and if a blocking operation happens in that code, then it will block the entire loop and nothing else will happen until it finishes. This is the typically s...
List comprehension: Returning two (or more) items for each item
... than O(N^2) performance). I'll still use sum(..., []) when I want a quick one-liner or I'm in a hurry, or when the number of terms being combined is bounded (e.g. <= 10).
– ninjagecko
Aug 8 '12 at 16:41
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“Could not load type [Namespace].Global” causing me grief
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One situation I've encountered which caused this problem is when you specify the platform for a build through "Build Configuration".
If you specify x86 as your build platform, visual studio will automatically assign bin/x8...
Extract a dplyr tbl column as a vector
Is there a more succinct way to get one column of a dplyr tbl as a vector, from a tbl with database back-end (i.e. the data frame/table can't be subset directly)?
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Different ways of adding to Dictionary
...f the top of my head, but i don't think there's much more to it, than mentioned in the other comments. If i remember correctly, Add simply uses the indexer, but checks first to see if the Key is already in use.
– hhravn
Dec 3 '09 at 10:33
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
...to something reasonably efficient for your current platform, whether it be one of those fancy bit-twiddling algorithms, or a single instruction.
A useful trick if your input can be zero is __builtin_clz(x | 1): unconditionally setting the low bit without modifying any others makes the output 31 f...
What does “&” at the end of a linux command mean?
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In addition, you can use the "&" sign to run many processes through one (1) ssh connections in order to to keep minimum number of terminals. For example, I have one process that listens for messages in order to extract files, the second process listens for messages in order to upload files: ...