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Rails 4 LIKE query - ActiveRecord adds quotes
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When using '?' in this way in rails it is converted to a parameterized query. The data within the parameter isn't sanitized (the %) but it is impossible to change context out of the query and turn it into processed SQL statements.
– David Hoelz...
How to initialize array to 0 in C?
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Global variables and static variables are automatically initialized to zero. If you have simply
char ZEROARRAY[1024];
at global scope it will be all zeros at runtime. But actually there is a shorthand syntax if you had a local array. If an...
What is makeinfo, and how do I get it?
...nfo File" of the Texinfo manual states that
makeinfo is a program that converts a Texinfo file into an Info file,
HTML file, or plain text.
The Texinfo home page explains that
Texinfo itself "is the official documentation format of the GNU project" and that it "uses a single source file to p...
what is reverse() in Django
...e sure what this is but it is used together with HttpResponseRedirect. How and when is this reverse() supposed to be used?
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Python String and Integer concatenation [duplicate]
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for i in range[1,10]:
string = "string" + str(i)
The str(i) function converts the integer into a string.
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How to change ProgressBar's progress indicator color in Android
.... This is from the layout that has the progress bar:
<ProgressBar
android:id="@+id/ProgressBar"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:indeterminate="false"
android:maxHeight="10dip...
What does the question mark operator mean in Ruby?
...ever there are several other uses of the ? in Ruby (is a ternary operator, converting a character to its ASCII integer, usage in test, in RegEx'es, etc.) many of which are covered in the other answers here.
– Karl Wilbur
Sep 11 '15 at 20:36
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How to read contacts on Android 2.0
I'm working on Android 2.0 and am trying to receive a list of all contacts.
9 Answers
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How to escape the % (percent) sign in C's printf?
...rsion specification) causes a '%' character to be written with no argument converted.
The string really has 2 '%' characters inside (as opposed to escaping characters: "a\bc" is a string with 3 non null characters; "a%%b" is a string with 4 non null characters).
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How to change indentation mode in Atom?
... instead though. Sublime Text has built in functionality for switching and converting indentation.
16 Answers
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