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How to check if object property exists with a variable holding the property name?
...otypeOf(yoshi, hattori);
if ("sneak" in yoshi)
console.log("Yoshi can now sneak");
if (!("creep" in hattori))
console.log("Hattori cannot creep");
Object.setPrototypeOf(hattori, kuma);
if ("creep" in hattori)
console.log("Hattori can now creep");
if ("creep" in yoshi)
console.log(...
Get first day of week in SQL Server
... weeks have passed since Monday, January 1, 1900? Let's call that [n]. Ok, now add [n] weeks to Monday, January 1, 1900. You should not be surprised that this ends up being a Monday. DATEADD has no idea that you want to add weeks but only until you get to a Sunday, it's just adding 7 days, then addi...
Remove spaces from std::string in C++
...ithm remove_if and isspace:
remove_if(str.begin(), str.end(), isspace);
Now the algorithm itself can't change the container(only modify the values), so it actually shuffles the values around and returns a pointer to where the end now should be. So we have to call string::erase to actually modify ...
What are attributes in .NET?
...environment. For example the Windows Designer uses them extensively so it knows how to deal with custom made objects. Using the BrowsableAttribute like so:
[Browsable(false)]
public SomeCustomType DontShowThisInTheDesigner
{
get{/*do something*/}
}
Tells the designer not to list this in the a...
Create an array with same element repeated multiple times
...always better to avoid growing arrays by appending when possible. If you know the final size, use it.
– Tom Karzes
Aug 8 '16 at 20:01
43
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How to trigger a build only if changes happen on particular set of files
...s://github.com/jenkinsci/git-plugin/pull/49
Update: The Git plugin (1.16) now has the 'included' region feature.
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How do I migrate a model out of one django app and into a new one?
I have a django app with four models in it. I realize now that one of these models should be in a separate app. I do have south installed for migrations, but I don't think this is something it can handle automatically. How can I migrate one of the models out of the old app into a new one?
...
How to hide element using Twitter Bootstrap and show it using jQuery?
...d like so :
<div id="header-mask" class="hideMe"></div>
and now jQuery hiding works
$('#header-mask').show();
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How do I filter an array with AngularJS and use a property of the filtered object as the ng-model at
...is the real deal. This is the power. This is the way. I went with this and now I'm happy.
– user1576978
Aug 30 '15 at 2:07
...
Iterating through a JSON object
...nt:
from __future__ import print_function
for song in json_object:
# now song is a dictionary
for attribute, value in song.items():
print(attribute, value) # example usage
NB: You could use song.iteritems instead of song.items if in Python 2.
...