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is node.js' console.log asynchronous?
...e console.log/debug/warn/error in node.js asynchrounous? I mean will javascript code execution halt till the stuff is printed on screen or will it print at a later stage?
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Add a new element to an array without specifying the index in Bash
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According to wiki.bash-hackers.org/scripting/bashchanges, this syntax first appeared in version 3.1-alpha1.
– David Yaw
Jan 3 '14 at 21:17
4...
How to unpack and pack pkg file?
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Here is a bash script inspired by abarnert's answer which will unpack a package named MyPackage.pkg into a subfolder named MyPackage_pkg and then open the folder in Finder.
#!/usr/bin/env bash
filename="$*"
dirname="${filename/...
Node.js quick file server (static files over HTTP)
...switch (extname) {
case '.js':
contentType = 'text/javascript';
break;
case '.css':
contentType = 'text/css';
break;
case '.json':
contentType = 'application/json';
break;
case '.png':
...
PHP 后端示例的 Node.js 与 Python 对应源码 · App Inventor 2 中文网
...env
# Linux/macOS
. .venv/bin/activate
# Windows PowerShell 使用：.venv\Scripts\Activate.ps1
每个文件开头注明依赖，各教程给出完整安装和启动命令。Python 的内置 Flask 服务用于本地测试，对外部署请按 Flask 部署文档 使用 WSGI 服务。选择一种后...
How To Check If A Key in **kwargs Exists?
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DSM's and Tadeck's answers answer your question directly.
In my scripts I often use the convenient dict.pop() to deal with optional, and additional arguments. Here's an example of a simple print() wrapper:
def my_print(*args, **kwargs):
prefix = kwargs.pop('prefix', '')
print(pre...
Position: absolute and parent height?
...while keeping the children as position: absolute, you could do so with JavaScript by finding the height of the absolutely positioned children after they have rendered, and using that to set the height of the parent.
Alternatively, just use float: left/float:right and margins to get the same positio...
Is there a way to change context to iframe in javascript console?
I would like to change the context of the javascript executed in the webkit developer tool/firebug console to execute its code like it is running from inside an iframe on the page.
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Inspect element that only appear when other element is mouse overed/entered
...ElementById('id').dispatchEvent(new Event('event-type'));
(with pure javascript specific syntax may vary by browser)
Even easier with jQuery:
$('#id').trigger('event-type');
In your example (http://getbootstrap.com/javascript/#tooltips), open the console and type in, for example:
$("button:co...
How to compile a 32-bit binary on a 64-bit linux machine with gcc/cmake
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It should do. You could also modify the cmake script to create a 32 bit target - it would just add -m32 to the CFLAGS, probably by setting CMAKE_REQUIRED_FLAGS.
– caf
Aug 13 '09 at 22:55
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