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Capturing multiple line output into a Bash variable
...u want — to demonstrate:
echo "$RESULT"
What you show is what you get from:
echo $RESULT
As noted in the comments, the difference is that (1) the double-quoted version of the variable (echo "$RESULT") preserves internal spacing of the value exactly as it is represented in the variable — ...
Array.Copy vs Buffer.BlockCopy
.... Most of the microbenchmarking code in the posted answers thus far suffer from one or more severe technical flaws, including not moving memory allocations out of the test loops (which introduces severe GC artifacts), not testing variable vs. deterministic execution flows, JIT warmup, and not tracki...
Get current time in milliseconds in Python?
...ution to the second, the preferred approach for milliseconds is datetime.
from datetime import datetime
dt = datetime.now()
dt.microsecond
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C++ Redefinition Header Files (winsock2.h)
How do I prevent from including header files twice? The problem is I'm including the in MyClass.h and then I'm including MyClass.h in many files, so it includes multiple times and redefinition error occurs. How to prevent?
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Objective-C : BOOL vs bool
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From the definition in objc.h:
#if (TARGET_OS_IPHONE && __LP64__) || TARGET_OS_WATCH
typedef bool BOOL;
#else
typedef signed char BOOL;
// BOOL is explicitly signed so @encode(BOOL) == "c" rather than "C"
// even...
How to Avoid Response.End() “Thread was being aborted” Exception during the Excel file download
...gested answer has also Response.End() at the last line? Instead the answer from @Binny (below) helps!
– user3454439
Jul 21 '17 at 1:58
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biggest integer that can be stored in a double
...iplied by 2exponent − 52. So with exponent 52 you can store all values from 252 through to 253 − 1. Then with exponent 53, the next number you can store after 253 is 253 + 1 × 253 − 52. So loss of precision first occurs with 253 + 1.
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NSDefaultRunLoopMode vs NSRunLoopCommonModes
...f NSURLConnection generated threads, as they only wake on incoming events (from the network).
Each thread can be associated to multiple run loops, or can be associated to a specific run loop that can be set to work in different modes. A "run loop mode" is a convention used by the OS to establish so...
Error: Could not find or load main class [duplicate]
...he entirety of classpath. Therefore this particular example must be called from the directory in which thepackagename exists.
To be clear, the name of this class is not TheClassName, It's thepackagename.TheClassName. Attempting to execute TheClassName does not work, because no class having that na...
Finding the max value of an attribute in an array of objects
...Note that this returns the object that had the max value not the max value from the object. This may or may not be what you want. In my case it was what I wanted. +1
– John
Nov 24 '17 at 23:46
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