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Is there a difference between “==” and “is”?
...0 is 10**3
False
>>> 1000 == 10**3
True
The same holds true for string literals:
>>> "a" is "a"
True
>>> "aa" is "a" * 2
True
>>> x = "a"
>>> "aa" is x * 2
False
>>> "aa" is intern(x*2)
True
Please see this question as well.
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require file as string
...sing node + express and I am just wondering how I can import any file as a string. Lets say I have a txt file all I want is to load it into a variable as such.
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Parameterize an SQL IN clause
...ls|scruffy|rubyonrails|'
LIKE '%|' + Name + '|%'
So here's the C# code:
string[] tags = new string[] { "ruby", "rails", "scruffy", "rubyonrails" };
const string cmdText = "select * from tags where '|' + @tags + '|' like '%|' + Name + '|%'";
using (SqlCommand cmd = new SqlCommand(cmdText)) {
c...
BaseException.message deprecated in Python 2.6
...to the constructor. Suggested practice, though, is that only a
single string argument be passed to the constructor."""
__str__ and __repr__ are already implemented in a meaningful way,
especially for the case of only one arg (that can be used as message).
You do not need to repeat __str__ or _...
Set opacity of background image without affecting child elements
... @mystrdat You're already downloading the image, this isn't an extra request.
– brad
Feb 22 '13 at 4:47
2
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Inserting a tab character into text using C#
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Try using the \t character in your strings
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Constants in Objective-C
I'm developing a Cocoa application, and I'm using constant NSString s as ways to store key names for my preferences.
14 ...
How to disable margin-collapsing?
...) entail using a 1px border or 1px padding. I find this unacceptable: the extraneous pixel complicates calculations for no good reason. Is there a more reasonable way to disable this margin-collapsing?
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jQuery callback on image load (even when the image is cached)
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/**
* Trigger a callback when the selected images are loaded:
* @param {String} selector
* @param {Function} callback
*/
var onImgLoad = function(selector, callback){
$(selector).each(function(){
if (this.complete || /*for IE 10-*/ $(this).height() > 0) {
callback.ap...
Pass an array of integers to ASP.NET Web API?
..., bool, double, and so forth), plus TimeSpan, DateTime, Guid, decimal, and string, plus any type with a type converter that can convert from a string." an int[] is not a simple type.
– Tr1stan
Aug 6 '15 at 13:03
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