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How does Python manage int and long?
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int and long were "unified" a few versions back. Before that it was possible to overflow an int through math ops.
3.x has further advanced this by eliminating long altogether and only having int.
Python 2: sys.maxint contains the maximum value a Python int can hold.
On a 64-bit Py...
Provisioning Profiles menu item missing from Xcode 5
...nning on my iPad again. The problem is that in Xcode 5 I don't have a menu item for Library - Provisioning Profiles, and I don't know what could have happened. I restarted the computer, tried some things, but I really have no idea what I could do. How can I fix this problem?
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How to debug Visual Studio extensions
I'm just writing a VSIX extension for Visual Studio 2010 and can't figure out how to debug it.
4 Answers
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How can I add a column that doesn't allow nulls in a Postgresql database?
... "NOT NULL" column to my Postgresql database using the following query (sanitized for the Internet):
8 Answers
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Why does Typescript use the keyword “export” to make classes and interfaces public?
While dabbling with Typescript I realised my classes within modules (used as namespaces) were not available to other classes unless I wrote the export keyword before them, such as:
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Can overridden methods differ in return type?
...rn type is assignable to the return type of the method you are overriding, it's allowed.
For example:
class ShapeBuilder {
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public Shape build() {
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}
class CircleBuilder extends ShapeBuilder{
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@Override
public Circle build() {
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}
This is specified in se...
How to replace all occurrences of a string?
...or older browsers:
Note: Don't use the following solution in performance critical code.
As an alternative to regular expressions for a simple literal string, you could use
str = "Test abc test test abc test...".split("abc").join("");
The general pattern is
str.split(search).join(replacement)
This ...
SQL WHERE ID IN (id1, id2, …, idn)
I need to write a query to retrieve a big list of ids.
9 Answers
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How do I set the size of Emacs' window?
...t the size of the screen I'm starting emacs on, and adjust the size and position the window it is starting in (I guess that's the frame in emacs-speak) accordingly. I'm trying to set up my .emacs so that I always get a "reasonably-big" window with it's top-left corner near the top-left of my screen....
When and why JPA entities should implement Serializable interface?
The question is in the title. Below I just described some of my thoughts and findings.
14 Answers
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