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Printing leading 0's in C?
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printf("%05d", zipCode);
The 0 indicates what you are padding with and the 5 shows the length of the integer number. For example if you use "%02d" (Useful for dates) this would only pad zeros for numbers in the ones column ie.(06 instead of 6). Example 2, "%03d" would pad 2 zeros for one nu...
How can I check the syntax of Python script without executing it?
I used to use perl -c programfile to check the syntax of a Perl program and then exit without executing it. Is there an equivalent way to do this for a Python script?
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Is it possible to implement a Python for range loop without an iterator variable?
...range(10): pass
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>>> _
9
>>> 1+2
3
>>> _
9
And according to Python grammar, it is an acceptable variable name:
identifier ::= (letter|"_") (letter | digit | "_")*
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Can someone explain the dollar sign in Javascript?
...s that contain a jQuery object with a $ so that they are easily identified and not mixed up with, say, integers.
The dollar sign function $() in jQuery is a library function that is frequently used, so a short name is desirable.
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What's the best way to limit text length of EditText in Android
What's the best way to limit the text length of an EditText in Android?
22 Answers
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Using pg_dump to only get insert statements from one table within database
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The -d and -D options were removed from PostgreSQL 8.4 (see 8.4.0 release notes). You must now use the "long" names: pg_dump --column-inserts --data-only --table=<table> <database>
– Matthew Wood
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Getting the first index of an object
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As Ben Alpert points out, properties of Javascript objects are unordered, and your code is broken if you expect them to enumerate in the same order that they are specified in the object literal—there is no "first" property.
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How to convert a string or integer to binary in Ruby?
How do you create integers 0..9 and math operators + - * / in to binary strings.
For example:
6 Answers
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Converting JavaScript object with numeric keys into array
...Query's $.map
var arr = $.map(obj, function(el) { return el });
FIDDLE
and almost as easy without jQuery as well, converting the keys to an array and then mapping back the values with Array.map
var arr = Object.keys(obj).map(function(k) { return obj[k] });
FIDDLE
That's assuming it's already...
ASP.NET MVC on IIS 7.5
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ASP.NET 4 was not registered in IIS. Had to run the following command in the command line/run
32bit (x86) Windows
%windir%\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe -ir
64bit (x64) Windows
%windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe -ir
Note from ...