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How can I check if a program exists from a Bash script?
... validate that a program exists, in a way that will either return an error and exit, or continue with the script?
37 Answer...
How to extract an assembly from the GAC?
...om VS
project. Developers usually keep a
copy of the original DLL file and
refer to it in the project at
development (design) time, which uses
the assembly from GAC during run-time
of the project.
During execution (run-time) if the
assembly is found to be signed and
deployed in ...
Why are unnamed namespaces used and what are their benefits?
I just joined a new C++ software project and I'm trying to understand the design. The project makes frequent use of unnamed namespaces. For example, something like this may occur in a class definition file:
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Getting an element from a Set
...the OP specified. A less efficient solution would be to remove the element and re-add it with its values updated.
– KyleM
Feb 19 '13 at 17:48
15
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Apache Spark: The number of cores vs. the number of executors
I'm trying to understand the relationship of the number of cores and the number of executors when running a Spark job on YARN.
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Simplest two-way encryption using PHP
...m php codebase. So when using the latest version of php (which should be standard) you are not able to use this deprecated function anymore.
– Alexander Behling
Sep 12 '19 at 13:09
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Java inner class and static nested class
What is the main difference between an inner class and a static nested class in Java? Does design / implementation play a role in choosing one of these?
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Android Studio doesn't see device
The AVD Manager in Android Studio doesn't show my device but adb devices does show it. Am I missing something obvious here?
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How to tell if a string is not defined in a Bash shell script
...Autoconf, you'll find that they do not recommend combining terms with '-a' and do recommend using separate simple tests combined with &&. I've not encountered a system where there is a problem; that doesn't mean they didn't used to exist (but they are probably extremely rare these days, eve...
Is there a good Valgrind substitute for Windows?
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Insure++ takes forever to instrument your code, and forever to execute your code at runtime.
– C Johnson
Aug 9 '10 at 15:12
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