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Loop through all nested dictionary values?
...
def print_dict(v, prefix=''):
if isinstance(v, dict):
for k, v2 in v.items():
p2 = "{}['{}']".format(prefix, k)
print_dict(v2, p2)
elif isinstance(v, list):
for i, v2 in enumerate(v):
p2 = "{}[{}]".format(prefix, i)
print_dict...
在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...ppear to be low quality.
As Android evolved and MIT App Inventor matured, AI2 developers expressed a desire to design apps that looked good on tablets. Additionally newer Android devices are being shipped without the API 3 compatibility mode. This made MIT App Inventor apps use just a small secti...
What is copy-on-write?
...f):
return ValueProxy(self.subject)
v1 = ValueProxy(Value('foo'))
v2 = v1.clone() # shares the immutable Value object between the copies
assert v1.subject is v2.subject
v2.write('bar') # creates a new immutable Value object with the new state
assert v1.subject is not v2.subject
...
How to add row in JTable?
...del.addColumn("Col2");
// Append a row
model.addRow(new Object[]{"v1", "v2"});
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java: (String[])List.toArray() gives ClassCastException
... it can't determine what type of array to create.
use
toArray(new String[v2.size()]);
which allocates the right kind of array (String[] and of the right size)
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.gitignore exclude folder but include specific subfolder
...ọc Duy (pclouds) is trying to add this feature:
commit 506d8f1 for git v2.7.0, reverted in commit 76b620d git v2.8.0-rc0
commit 5e57f9c git v2.8.0-rc0,... reverted(!) in commit 5cee3493 git 2.8.0.
So with git 2.9+, this could have actually worked, but was ultimately reverted:
application/
!ap...
Making 'git log' ignore changes for certain paths
...6315f74 ("ls-files: add pathspec matching for submodules", 2016-10-07, Git v2.11.0-rc0 -- merge listed in batch #11) and 89a1f4aaf7 ("dir: if our pathspec might match files under a dir, recurse into it", 2019-09-17, Git v2.24.0-rc0).
Of course, do_match_pathspec() had an important advantge over matc...
Remove multiple elements from array in Javascript/jQuery
...
There's always the plain old for loop:
var valuesArr = ["v1","v2","v3","v4","v5"],
removeValFromIndex = [0,2,4];
for (var i = removeValFromIndex.length -1; i >= 0; i--)
valuesArr.splice(removeValFromIndex[i],1);
Go through removeValFromIndex in reverse order and you can...
轻松学习App开发？App Inventor 2 中文网搞定！ - App Inventor 2 中文网 -...
轻松学习App开发？App Inventor 2 中文网搞定！chatgpt_ai2有没有想过自己动手开发一个属于自己的应用程序？有没有因为开发难度而望而却步？那么现在，我有一个好消息要告诉你，App Inventor 2 中文网（fun123 cn）能帮你搞定！App Inv ...
App Inventor 2 语音交互机器人Robot，使用讯飞语音识别引擎 - App Invento...
App Inventor 2 语音交互机器人Robot，使用讯飞语音识别引擎ai2_robotApp Inventor 2 语音识别及交互App。识别语言指令并控制机器人运动，主要用到语音识别器及文本朗读器组件，语音识别相关开发最佳入门。代码逻辑简单，App交互性及...