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What's quicker and better to determine if an array key exists in PHP?
...f it exists and is not NULL; otherwise it returns its second operand.
So now you can assign a default value in case the value is null or if the key does not exist :
$var = $array[$key] ?? 'default value'
share
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Can I use GDB to debug a running process?
.../sys/kernel/yama/ptrace_scope depending on your requirements. Many systems now default to 1 or higher.
The sysctl settings (writable only with CAP_SYS_PTRACE) are:
0 - classic ptrace permissions: a process can PTRACE_ATTACH to any other
process running under the same uid, as long as it is dump...
Ignoring new fields on JSON objects using Jackson [duplicate]
...of your class (not to individual methods):
@JsonIgnoreProperties(ignoreUnknown = true)
public class Foo {
...
}
Depending on the jackson version you are using you would have to use a different import in the current version it is:
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
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How do I split a string by a multi-character delimiter in C#?
.... You have to use something a bit more clever to get the output specified. Now, whether what the question specified is actually what the asker wants is a different question, but the question asked here can't be answered trivially with just String.Split.
– IRBMe
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Android Studio Editor Font Sizing
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Wow, as of now this question has almost 31k views. The UI was so bad that they confused 31,000 programmers!
– localhost
Feb 12 '16 at 11:28
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Library? Static? Dynamic? Or Framework? Project inside another project
...led first and its resulting .a file used as a dependency by the project).
Now that we're clear(er) on these terms, setting up a static library and supporting media bundle for iOS isn't too difficult, and there are many tutorials on how to do such. I personally would recommend this one:
https://git...
When does ADT set BuildConfig.DEBUG to false?
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I'm not sure I know what you mean about "the code"... however, I will say that doing a clean before exporting the APK (as suggested in the accepted answer) made both BuildConfig.DEBUG and com.mypackage.BuildConfig.DEBUG report false as expec...
Import text file as single character string
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Alas "read_file" does not appear in stringr now. :( cran.r-project.org/web/packages/stringr/stringr.pdf
– Michael Lloyd Lee mlk
May 26 '15 at 14:41
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Try/Catch block in PHP not catching Exception
...on $e) instead of catch(Exception $e) . If you are using a code you don't know about very well, or - especially - if you are using a framework, it might override the default PHP Exception with one of its own, and therefore you might go to the wrong path and get the undesired result. If you just put ...
What is the best way to test for an empty string in Go?
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As of now, the Go compiler generates identical code in both cases, so it is a matter of taste. GCCGo does generate different code, but barely anyone uses it so I wouldn't worry about that.
https://godbolt.org/z/fib1x1
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