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Getting a map() to return a list in Python 3.x
... example, in ipython microbenchmarks converting 45 inputs:
>>> %%timeit -r5 ordinals = list(range(45))
... list(map(chr, ordinals))
...
3.91 µs ± 60.2 ns per loop (mean ± std. dev. of 5 runs, 100000 loops each)
>>> %%timeit -r5 ordinals = list(range(45))
... [*map(chr, ordinal...
What's the fastest way to read a text file line-by-line?
...
I don't understand. In theory, the vast majority of the time spent reading the file would be the seeking time on disk and the overheads of manupulating streams, like what you'd do with the File.ReadLines. File.ReadLines, on the other hand, is supposed to read everything of a file ...
How can I get the DateTime for the start of the week?
...nd the start of the week (both Sunday and Monday) knowing just the current time in C#?
32 Answers
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Why use 'virtual' for class properties in Entity Framework model definitions?
...ty Framework creates become apparent when using the Entity Framework at runtime, not at static compilation time. And only if you enable the Entity Framework's lazy loading or change tracking features. If you opt to never use the lazy loading or change tracking features of the Entity Framework (which...
How to hide a in a menu with CSS?
...cycle of selecting the options to remove and removing them only worked one time. After that, options.remove() had no effect for me. Once I moved the restoreOptions($s) call up a few lines so that I was always working with a full, fresh Select object, it worked.
– Newclique
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How do I hotkey directly to File Search tab in Eclipse
...could press CTRL+3 in your editor, type in "file s", press Enter. The next time you press CTRL+3 "File Search" is at the top.
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Entity Framework and Connection Pooling
... application even if changes are not yet persisted (commited). In the most times this is not what you want. Suppose that you have an edit form in WPF application. You are working with the entity and you decice to cancel complex editation (changing values, adding related entities, removing other rela...
How to get the function name from within that function?
...- what happens;
firefoxMatch - works for safari, but I had really a little time for testing, because mac's owner had returned after smoking, and drove me away :'(
Testing:
function limbo(){
for(let i = 0; i < 4; i++){
console.log(getName(i));
}
}
function lust(){
limbo();
}
function glu...
How to retrieve the current value of an oracle sequence without increment it?
...e altered.
Just beware that if others are using the sequence during this time - they (or you) may get
ORA-08004: sequence SEQ.NEXTVAL goes below the sequences MINVALUE and cannot be instantiated
Also, you might want to set the cache to NOCACHE prior to the resetting and then back to its origin...
Counting Line Numbers in Eclipse [closed]
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An information that would saved me a ton of time: The plugin needs to be activated for each project in your workspace individually, will modify your .project file and only provides metrics up to the project level, but not the workspace level.
– Ko...