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How to print instances of a class using print()?
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As Chris Lutz mentioned, this is defined by the __repr__ method in your class.
From the documentation of repr():
For many types, this function makes an attempt to return a string that would yield an object with the same value when passed to eval(), otherwise th...
Specifying an Index (Non-Unique Key) Using JPA
...n AGE
compound index on FNAME, SNAME
Note 1: You get the compound index by having two @Index annotations with the same name
Note 2: You specify the column name in the columnList not the fieldName
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Comment out text in R Markdown (Rmd file)
... into html or pdf. I think the HTML comment characters are only dealt with by pandoc/rmarkdown after knitting.
– randy
Jul 12 '19 at 21:57
add a comment
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SQLAlchemy: Creating vs. Reusing a Session
...making sure the Session in use is local to...something. scoped_session() by default makes it local to the current thread. In a web app, local to the request is in fact even better. Flask-SQLAlchemy actually sends a custom "scope function" to scoped_session() so that you get a request-scoped ses...
Can't append element
... where some browsers don't respect some changes when you do them directly (by which I mean creating the HTML from text like you're trying with the script tag), but when you do them with built-in commands things go better. Try this:
var script = document.createElement( 'script' );
script.type = 'te...
What are database normal forms and can you give examples? [closed]
...lling us that IT101 is programming, and IT102 is Databases. So we fix that by moving the course name into another table, where CourseID is the ENTIRE key.
Primary Key |
CourseID | Course Name |
---------------------------|
IT101 | Programming |
IT102 | Databases |
IT103 |...
Ruby combining an array into one string
In Ruby is there a way to combine all array elements into one string?
3 Answers
3
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How to display string that contains HTML in twig template?
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UPDATE: I solved it by adding it to another variable using 'set', then {{ word | raw }} works fine.
– Honesta
Oct 13 '16 at 12:02
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What is the use of the %n format specifier in C?
...amp; is the address-of operator); a pointer is necessary because C is pass-by-value, and without a pointer, printf could not modify the value of n. The %*s usage in the printf format string prints a %s specifier (in this case the empty string "") using a field width of n characters. An explanation...
SignalR: Why choose Hub vs. Persistent Connection?
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There are two ways to use SignalR: you can access it at a low level by overriding its PersistentConnection class, which gives you a lot of control over it; or you can let SignalR do all of the heavy lifting for you, by using the high level ‘Hubs’.
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