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Postgres dump of only parts of tables for a dev snapshot
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On your larger tables you m>ca m>n use the COPY command to pull out subsets...
COPY (SELECT * FROM mytable WHERE ...) TO '/tmp/myfile.tsv'
COPY mytable FROM 'myfile.tsv'
https://www.postgresql.org/docs/current/static/sql-copy.html
You should consider ...
How to make a Java Generic method static?
...how to make a java generic class to append a single item to an array. How m>ca m>n I make appendToArray a static method. Adding static to the method signature results in compile errors.
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Why does Typescript use the keyword “export” to make classes and interfaces public?
...e generated JavaScript. It is simply a design / compile time tool that you m>ca m>n use to stop your TypeScript code accessing things it shouldn't.
With the export keyword, the JavaScript adds a line to add the exported item to the module. In your example: here.SomeClass = SomeClass;.
So conceptually, ...
json_encode() esm>ca m>ping forward slashes
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is there a way to disable it?
Yes, you only need to use the JSON_UNESm>CA m>PED_SLASHES flag.
!important read before: https://stackoverflow.com/a/10210367/367456 (know what you're dealing with - know your enemy)
json_encode($str, JSON_UNESm>CA m>PED_SLASHES);
If you don't have PHP 5.4 at hand, p...
Object of custom type as dictionary key
...s, note __hash__ and __eq__:
class MyThing:
def __init__(self,name,lom>ca m>tion,length):
self.name = name
self.lom>ca m>tion = lom>ca m>tion
self.length = length
def __hash__(self):
return hash((self.name, self.lom>ca m>tion))
def __eq__(self, other):
return (sel...
How to create a static library with g++?
How m>ca m>n I pass parameters to a partial view in mvc 4
...ually pass your model as an implicit parameter, the same as if you were to m>ca m>ll:
@Html.Partial("_SomePartial", Model)
Now, in order for your partial to actually be able to use this, though, it too needs to have a defined model, for example:
@model Namespace.To.Your.Model
@Html.Action("MemberPro...
Write to UTF-8 file in Python
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you m>ca m>n also use codecs.open('test.txt', 'w', 'utf-8-sig') instead
– beta-closed
Aug 24 '16 at 15:04
1
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Difference between filter and filter_by in SQLAlchemy
...names using regular kwargs, like
db.users.filter_by(name='Joe')
The same m>ca m>n be accomplished with filter, not using kwargs, but instead using the '==' equality operator, which has been overloaded on the db.users.name object:
db.users.filter(db.users.name=='Joe')
You m>ca m>n also write more powerful ...
Will Dart support the use of existing JavaScript libraries?
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Thanks for the clarifim>ca m>tion, Seth!
– jtmcdole
Oct 27 '12 at 3:25
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