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How does “cat
...nto stdin. See https://en.wikipedia.org/wiki/Here_document#Unix_shells for more details.
From man bash:
Here Documents
This type of redirection instructs the shell to read input from
the current source until a line
containing only word (with no trailing
blanks) is seen.
All ...
Java: Check if enum contains a given string?
...) method is bad practice. While you may think that your implementation is more efficient due to it not looking O(n), it is in the underlying framework which is not visible. Also using try {} catch adds overhead. Plus, it's just not pretty.
– jluzwick
Feb 8 '...
How can I create a Makefile for C projects with SRC, OBJ, and BIN subdirectories?
... @echo "Linking complete!"
Once that's all in order, you might consider more sophisticated dependency handling; if you modify one of the header files, this makefile will not know which objects/executables must be rebuilt. But that can wait for another day.
EDIT:
Sorry, I omitted part of the $(OB...
Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
...l grant you the difference on '.\d+', I missed that, but the JS console is more useful than that fiddle. Either way, that's the appropriate answer, not whatever the stuff about short-circuiting &&s was about. It does feel like there should be a better way than this though since isFinite cove...
What is the difference between MOV and LEA?
...except in 64-bit mode for RIP-relative addressing. mov r32, imm32 runs on more ports. lea eax, [edx*4] is a copy-and-shift which can't be done in one instruction otherwise, but in the same register LEA just takes more bytes to encode because [eax*4] requires a disp32=0. (It runs on different port...
Drag and drop files into WPF
...ta.GetDataPresent(DataFormats.FileDrop))
{
// Note that you can have more than one file.
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
// Assuming you have one file that you care about, pass it off to whatever
// handling code you have defined.
HandleFileOpe...
Find where python is installed (if it isn't default dir)
...
This is also not the best answer because many, many more times often than not, your python executable is a symlink. which python will, in all probability just point to /usr/bin or /usr/local/bin, which really isn't helpful.
– Jay
Sep 2 '1...
Generating v5 UUID. What is name and namespace?
...ket, container or directory, then its UUID can be used in turn to generate more hierarchical UUIDs.
The generated type 3 or type 5 UUID holds a (partial) hash of the namespace id and name-within-namespace (key). It no more holds the namespace UUID than does a message MAC hold the contents of the me...
What columns generally make good indexes?
...ts, also sub topic page starts. Some clarification in Index page helps but more detailed index might confuse you or scare you. Indexes are also having memory.
Index selection should be wise. Keep in mind not all columns would require index.
...
Does MySQL included with MAMP not include a config file?
... Note that MAMP Pro will create its own version. You can edit it more "nicely," though it's a bit of a pain for people used to the command line. Just go File->Edit Template->MySQL my.cnf, and change whatever settings you need. More info on both MAMP and MAMP pro here.
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