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appinventor2 生成的APP没有标题栏？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...“经典模式”主题，临时规避该问题。后续官方修复我们第一时间更新。
Screen1的属性面板：
v2.74已经修复该问题，已经测试通过。
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用BL时发现要获得蓝牙扫描权限，请问哪位高手能帮忙解决该问题，不甚感激！硬件子板块第一篇帖子：https://bbs.tsingfun.com/thread-2104-1-1.html
What is __init__.py for?
...answered Nov 7 '10 at 3:31
caritoscaritos
9,21622 gold badges1414 silver badges1515 bronze badges
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Is JavaScript guaranteed to be single-threaded?
...e question of whether browsers really implement their JS engines using one OS-thread, or whether other limited threads-of-execution are introduced by WebWorkers.)
However, in reality this isn't quite true, in sneaky nasty ways.
The most common case is immediate events. Browsers will fire these rig...
How to create Android Facebook Key Hash?
...G, "printHashKey() Hash Key: " + hashKey);
}
} catch (NoSuchAlgorithmException e) {
Log.e(TAG, "printHashKey()", e);
} catch (Exception e) {
Log.e(TAG, "printHashKey()", e);
}
}
...
Why do I get “Pickle - EOFError: Ran out of input” reading an empty file?
...
I would check that the file is not empty first:
import os
scores = {} # scores is an empty dict already
if os.path.getsize(target) > 0:
with open(target, "rb") as f:
unpickler = pickle.Unpickler(f)
# if file is not empty scores will be equal
...
Making macOS Installer Packages which are Developer ID ready
Note: This is for OS X Installer packages only, packages for submission to the Mac App Store follow different rules.
5 ...
server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
...
TLDR:
hostname=XXX
port=443
trust_cert_file_location=`curl-config --ca`
sudo bash -c "echo -n | openssl s_client -showcerts -connect $hostname:$port -servername $hostname \
2>/dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END...
Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
...
Those that dont do that get the functions handed to them by the process loader, ie the elf loader of linux. dlopen exists if the application wants to open and use a .so or .dll that wasnt there at compile that or just add extra...
Determining the last changelist synced to in Perforce
...
I recommend the opposite for automatic build systems: you should first get the latest changelist from the server using:
p4 changes -s submitted -m1
then sync to that change and record it in the revision info. The reason is as follows. Alth...