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Debugging Scala code with simple-build-tool (sbt) and IntelliJ
... running the remote JVM -- something like
-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005
Launch sbt with these arguments and then execute jetty-run. Finally, launch your remote debug configuration in IntelliJ. This thread might be useful.
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Why is there “data” and “newtype” in Haskell? [duplicate]
... was True or False:
helloMe :: CoolBool -> String
helloMe (CoolBool _) = "hello"
Instead of applying this function to a normal CoolBool, let's throw it a curveball and apply it to undefined!
ghci> helloMe undefined
"*** Exception: Prelude.undefined
Yikes! An exception! No...
Why compile Python code?
...ile a top level python source file into a .pyc file this way:
python -m py_compile myscript.py
This removes comments. It leaves docstrings intact. If you'd like to get rid of the docstrings as well (you might want to seriously think about why you're doing that) then compile this way instead...
p...
SQLite add Primary Key
...OB,
PRIMARY KEY (field2, field1)
);
Reference: http://www.sqlite.org/lang_createtable.html
This answer does not address table alteration.
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Convert camelCaseText to Sentence Case Text
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Alternatively using lodash:
lodash.startCase(str);
Example:
_.startCase('helloThere');
// ➜ 'Hello There'
Lodash is a fine library to give shortcut to many everyday js tasks.There are many other similar string manipulation functions such as camelCase, kebabCase etc.
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Program only crashes as release build — how to debug?
...o a program. You can turn the debug heap off by using environment variable _NO_DEBUG_HEAP . You can specify this either in your computer properties, or in the Project Settings in Visual Studio. That might make the crash reproducible with the debugger attached.
More on debugging heap corruption her...
How to convert Java String into byte[]?
...(Charset.forName("UTF-8"));
byte[] b = string.getBytes(StandardCharsets.UTF_8); // Java 7+ only
However the problem you appear to be wrestling with is that this doesn't display very well. Calling toString() will just give you the default Object.toString() which is the class name + memory address...
What is the maximum length of a table name in Oracle?
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Teach a man to fish
Notice the data-type and size
>describe all_tab_columns
VIEW all_tab_columns
Name Null? Type
----------------------------------------- -------- ----------------------------
OWNER ...
How to implement Enums in Ruby?
...to enhance readability without littering code with literal strings.
postal_code[:minnesota] = "MN"
postal_code[:new_york] = "NY"
Constants are appropriate when you have an underlying value that is important. Just declare a module to hold your constants and then declare the constants within that.
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Delete all tags from a Git repository
...he POSIX-compliant ‘-L’ option. gnu.org/software/findutils/manual/html_node/find_html/…
– Richard A Quadling
Jul 23 '19 at 12:13
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