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Open file in a relative location in Python
...n a subdirectory beneath where the script is actually located, you can use __file__ to help you out here. __file__ is the full path to where the script you are running is located.
So you can fiddle with something like this:
import os
script_dir = os.path.dirname(__file__) #<-- absolute dir the...
What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
...d have worked as well as these two numbers?
Not every number would be equally "good". So, no.
Seeding Strategies
There are differences in the default-seeding schema between different versions and implementation of the JRE.
public Random() { this(System.currentTimeMillis()); }
public Ra...
One DbContext per web request… why?
...the DbContext caches data, it gets stale pretty soon. This will get you in all sorts of trouble when multiple users/applications work on that database simultaneously (which is very common of course). But I expect you already know that and just want to know why not to just inject a new instance (i.e....
Determining memory usage of objects? [duplicate]
... That nice little nugged misled me, since I had something big called 'x' (hint: it looked small); here's an replacement: sort( sapply(mget(ls()),object.size) ) .
– petrelharp
Aug 28 '14 at 19:58
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Insert auto increment primary key to existing table
...ering if it's possible to insert data into the primary key column automatically (I already have 500 rows in DB and want to give them id but I don't want to do it manually). Any thoughts? Thanks a lot.
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Why does ++[[]][+[]]+[+[]] return the string “10”?
...array ([]). Due to references it's wrong to say [[]][0] === [], but let's call the inner array A to avoid the wrong notation.
++ before its operand means “increment by one and return the incremented result”. So ++[[]][0] is equivalent to Number(A) + 1 (or +A + 1).
Again, we can simplify the me...
Export and Import all MySQL databases at one time
I want to keep a backup of all my MySQL databases. I have more than 100 MySQL databases. I want to export all of them at the same time and again import all of them into my MySQL server at one time. How can I do that?
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parseInt vs unary plus, when to use which?
...uld be explained here. It's bitwise equivalent of Math.floor(), which basically chops off the decimal part.
– Joseph
Jun 14 '13 at 11:01
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UITextView style is being reset after setting text property
I have UITextView *_masterText and after call method setText property font is being reset.
It's happening after I change sdk 7.
_masterText is IBOutlet , global and properties are set in storyboard. It's only me or this is general SDK bug?
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How to bind function arguments without binding this?
...;
Hope I got the syntax right there. What it does is create a function called withWrappedArguments() (to be pedantic it is an anonymous function assigned to the variable) that you can call any time any where and will always act with actualArg1Value and actualArg2Value, and anything else you want ...