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How to determine whether an object has a given property in JavaScript
...throw new Error("IllegalArgumentException");
}
alert("ok");
}
f({req1: 123}); // error
f({req1: 123, req2: 456}); // ok
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
Recently I am using Python module os, when I tried to change the permission of a file, I did not get the expected result. For example, I intended to change the permission to rw-rw-r--,
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How to identify whether a file is normal file or directory
...
os.path.isdir() and os.path.isfile() should give you what you want. See:
http://docs.python.org/library/os.path.html
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How to create a new database using SQLAlchemy?
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123
SQLAlchemy-Utils provides custom data types and various utility functions for SQLAlchemy. You ...
Jackson JSON custom serialization for certain fields
...ill result in the desired output
{"name":"Joe","age":25,"favoriteNumber":"123"}
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How to pull request a wiki page on GitHub?
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123
GitHub doesn't support pull requests for the wiki repository, only the main repository (this i...
LISTAGG in Oracle to return distinct values
...t useful:
with test_data as
(
select 'A' as col1, 'T_a1' as col2, '123' as col3 from dual
union select 'A', 'T_a1', '456' from dual
union select 'A', 'T_a1', '789' from dual
union select 'A', 'T_a2', '123' from dual
union select 'A', 'T_a2', '456' from dual
union select 'A', 'T_a2', '111' fr...
Get Android API level of phone currently running my application [duplicate]
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Check android.os.Build.VERSION, which is a static class that holds various pieces of information about the Android OS a system is running.
If you care about all versions possible (back to original Android version), as in minSdkVersion is ...
Get path of executable
...
There is no cross platform way that I know.
For Linux: readlink /proc/self/exe
Windows: GetModuleFileName
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How to get the directory of the currently running file?
...
This should do it:
import (
"fmt"
"log"
"os"
"path/filepath"
)
func main() {
dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
if err != nil {
log.Fatal(err)
}
fmt.Println(dir)
}
...