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Best way to include CSS? Why use @import?
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From a page speed standpoint, @import from a CSS file should almost never be used, as it can prevent stylesheets from being downloaded concurrently. For instance, if stylesheet A contains the text:
@import url("stylesheetB.c...
When would you use a List instead of a Dictionary?
...ent a custom hashtable that does not implement the IDictionary interface.
from here
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Objective-C: Reading a file line by line
...:-)
Edit: Turns out this request already exists. There's a Radar dating from 2006 for this (rdar://4742914 for Apple-internal people).
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Java “Virtual Machine” vs. Python “Interpreter” parlance?
...know as the Java VM is not really Java specific. You could make a compiler from other languages that result in byte codes that can be run on the JVM. On the other hand, I don't think we would really think of "compiling" some other language other than Python into Python for interpretation by the Pyth...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...t merge，合并上游分支来更新本地代码。
$ git fetch
From https://github.com/chaconinc/DbConnector
c3f01dc..d0354fc master -> origin/master
$ git merge origin/master
Updating c3f01dc..d0354fc
Fast-forward
scripts/connect.sh | 1 +
src/db.c | 1 +
2 fil...
What's the difference between Perl's backticks, system, and exec?
...se unlike system and execit is an operator.
Other ways
What is missing from the above is a way to execute a command asynchronously.
That means your perl script and your command run simultaneously.
This can be accomplished with open.
It allows you to read STDOUT/STDERR and write to STDIN of your ...
Notification click: activity already open
... I see that if you use this approach on the activity being launched from the home screen, then every time you launch the application will start with the root activity, destroying any activities that were previously displayed on top. This certainly is not an expected behavior for a user puttin...
C++ new int[0] — will it allocate memory?
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From 5.3.4/7
When the value of the expression in a direct-new-declarator is zero, the allocation function is called to allocate an array with no elements.
From 3.7.3.1/2
The effect of dereferencing a pointer returne...
How do I resolve “Cannot find module” error using Node.js?
After pulling down a module from GitHub and following the instructions to build it, I try pulling it into an existing project using:
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iOS: Modal ViewController with transparent background
...one in code, or by setting the properties of the segue in the storyboard.
From the UIViewController documentation:
UIModalPresentationOverCurrentContext
A presentation style where the content is displayed over only the
parent view controller’s content. The views beneath the presented
...