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RSpec: describe, context, feature, scenario?
...se describe and it or another pairing
choose to use it inside of a context block that requires multiple assertions/tests to be made in a specific app state
Going with the second option, you can still follow the intention of "...wrap[ping] a set of tests against one functionality under the same sta...
What is the “volatile” keyword used for?
...rom the volatile variable will occur before any following memory reads. It blocks the compiler from doing the reordering, and if the hardware requires it (weakly ordered CPU), it will use a special instruction to make the hardware flush any reads that occur after the volatile read but were speculati...
Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
...t there are these WOW64-related DLLs loaded from 0x68810000 upwards, which block the allocation.
Whenever there is some shared DLL, Windows in general tries to load it at the same virtual address in all processes to save some relocation processing. It's just a matter of bad luck that these system c...
Python list iterator behavior and next(iterator)
...s the others because that answer is having the example code evaluated as a block, so that the interpreter is not reporting the intermediate values for "next(a)".)
The beguiling thing in answering questions, in general, is being explicit about what is obvious once you know the answer. It can be elu...
java get file size efficiently
...ength. It returns the amount of bytes which are available for read without blocking other streams. It is not necessarily the same amount of bytes as file length. To get the real length from a stream, you really need to read it (and count the read bytes meanwhile).
– BalusC
...
Where in memory are my variables stored in C?
...emory segments at all. Most modern architectures act mostly the same way; block-scope variables and function arguments will be allocated from the stack, file-scope and static variables will be allocated from a data or code segment, dynamic memory will be allocated from a heap, some constant data wi...
Position Relative vs Absolute?
...
position:absolute;
left:0;
width:20%;
clear:both;
display:block;
position:relative;
top:1em;
height:35em;
}
#footer {
position:absolute;
width:100%;
right:0;
bottom:0;
height:5em;
margin:0;
margin-top:5em;
}
I see your question is answ...
How to remove from a map while iterating it?
...
why would you call it++ in the if and else blocks? wouldn't it be enough to call it once after these?
– nburk
May 14 '15 at 15:21
...
Bash set +x without it being printed
...
This is a combination of a few ideas that can enclose a block of code and preserves the exit status.
#!/bin/bash
shopt -s expand_aliases
alias trace_on='set -x'
alias trace_off='{ PREV_STATUS=$? ; set +x; } 2>/dev/null; (exit $PREV_STATUS)'
trace_on
echo hello
trace_off
echo ...
How can I check that a form field is prefilled correctly using capybara?
...atcher until it matches). It turns out that it's possible to use a "filter block" to do this:
expect(page).to have_field("field_name") { |field|
field.value.present?
}
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