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How do I raise the same Exception with a custom message in Python?
...:
Depending on what the purpose is, you can also opt for adding the extra information under your own variable name. For both python2 and python3:
try:
try:
raise ValueError
except ValueError as err:
err.extra_info = "hello"
raise
except ValueError as e:
print(" err...
Remove all files except some from a directory
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rm !(textfile.txt|backup.tar.gz|script.php|database.sql|info.txt)
The extglob (Extended Pattern Matching) needs to be enabled in BASH (if it's not enabled):
shopt -s extglob
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How to get a list of current open windows/process with Java?
...c
(System.getenv("windir") +"\\system32\\"+"tasklist.exe");
Hope the info helps!
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Difference between \b and \B in regex
...rs (i.e. \W\W).
Example: \B.\B matches b in abc
See regular-expressions.info for more great regex info
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How to copy a directory structure but only include certain files (using windows batch files)
...ou can use ROBOCOPY, try this:
ROBOCOPY C:\Source C:\Destination data.zip info.txt /E
EDIT: Changed the /S parameter to /E to include empty folders.
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Detect permission of camera in iOS
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}
Since iOS 10 you need to specify
NSCameraUsageDescription key in your Info.plist to be able ask for camera access, otherwise your app will crash at runtime. See APIs Requiring Usage Descriptions.
As an interesting side note, did you know that iOS kills the app if it's running while you change ...
Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...个成员可以使用，即DOKAN_OPTIONS里的GlobalContext和DOKAN_FILE_INFO里的Context，其中GlobalContext只能用来存储全局的信息，比如存放线程实例的指针，这样一来，实际上就剩下 DOKAN_FILE_INFO里的Context 一个成员可以用来存储与文件有关的信...
Logging uncaught exceptions in Python
...port sys
>>> def foo(exctype, value, tb):
... print 'My Error Information'
... print 'Type:', exctype
... print 'Value:', value
... print 'Traceback:', tb
...
Override sys.excepthook:
>>> sys.excepthook = foo
Commit obvious syntax error (leave out the colon) and ...
How to view the SQL queries issued by JPA?
...e here):
<property name="openjpa.Log" value="DefaultLevel=WARN,Runtime=INFO,Tool=INFO,SQL=TRACE"/>
DataNucleus (see here):
Set the log category DataNucleus.Datastore.Native to a level, like DEBUG.
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How can I create a two dimensional array in JavaScript?
... Array.from(Array(2), () => new Array(4));
arr[0][0] = 'foo';
console.info(arr);
The same trick can be used to Create a JavaScript array containing 1...N
Alternatively (but more inefficient 12% with n = 10,000)
Array(2).fill(null).map(() => Array(4))
The performance decrease com...