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What does “@” mean in Windows batch scripts
.... Compare the following two batch files:
@echo foo
and
echo foo
The former has only foo as output while the latter prints
H:\Stuff>echo foo
foo
(here, at least). As can be seen the command that is run is visible, too.
echo off will turn this off for the complete batch file. However, th...
Doctrine and composite unique keys
...
Answer the question:
use Doctrine\ORM\Mapping\UniqueConstraint;
/**
* Common\Model\Entity\VideoSettings
*
* @Table(name="video_settings",
* uniqueConstraints={
* @UniqueConstraint(name="video_unique",
* columns={"video_dimension"...
How to check if a python module exists without importing it
I need to know if a python module exists, without importing it.
13 Answers
13
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How to create a template function within a class? (C++)
...
Your guess is the correct one. The only thing you have to remember is that the member function template definition (in addition to the declaration) should be in the header file, not the cpp, though it does not have to be in the body of the cla...
Usage of sys.stdout.flush() method
...ed (meaning that it collects some of the data "written" to standard out before it writes it to the terminal). Calling sys.stdout.flush() forces it to "flush" the buffer, meaning that it will write everything in the buffer to the terminal, even if normally it would wait before doing so.
Here's som...
How can I map True/False to 1/0 in a Pandas DataFrame?
...column in python pandas DataFrame that has boolean True/False values, but for further calculations I need 1/0 representation. Is there a quick pandas/numpy way to do that?
...
$.getJSON returning cached data in IE8
...) treat Ajax call just as other web request. That's why you see this behavior.
How to force IE to download data at each request:
As you said, use 'cache' or 'nocache' option in JQuery
Add a random parameter to the request (ugly, but works :))
On server side, set cachability (for example using an a...
Dealing with float precision in Javascript [duplicate]
...recision in JavaScript?
You have a few options:
Use a special datatype for decimals, like decimal.js
Format your result to some fixed number of significant digits, like this:
(Math.floor(y/x) * x).toFixed(2)
Convert all your numbers to integers
...
Parsing JSON giving “unexpected token o” error [duplicate]
...hat they are valid. But when I try to parse them using either JSON.parse or the jQuery alternative it gives me the error unexpected token o :
...
Is there a way to iterate over a dictionary?
I know NSDictionaries as something where you need a key in order to get a value . But how can I iterate over all keys and values in a NSDictionary , so that I know what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there som...