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MLKitTextRecognizer 拓展：离线图片文字识别（OCR，中英文） · App Inventor 2 中文网
...Text = "识别中…"
TextRecognizer1.RecognizeFromFile(图像选择器1.Selection)
}
when TextRecognizer1.RecognitionSuccess(text, resultJson) {
标签1.Text = text
}
when TextRecognizer1.RecognitionFailed(operation, errorMessage) {
标签1.Text = errorMessage
}
chinese 脚本同时能...
How to remove constraints from my MySQL table?
...an show the names of the foreign keys by using this query, as shown here:
SELECT CONSTRAINT_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE REFERENCED_TABLE_SCHEMA = '<database>' AND REFERENCED_TABLE_NAME = '<table>';
Then remove the foreign key by running the before mentioned DR...
Determine a user's timezone
...ime-zone drop down at the top of a report), while defaulting the drop down selection to a GPS-determined time-zone when the user is on a mobile device that provides location information, and otherwise default to UTC.
– Triynko
Feb 10 '15 at 20:30
...
Calling a function on bootstrap modal open
...ode to execute once the dialog is opened. I would have used that option to select the text within the dialog using a function I have.
...
Step out of current function with GDB
...ish command.
finish: Continue running until just after function in the selected stack frame returns. Print the returned value (if any). This command can be abbreviated as fin.
(see https://sourceware.org/gdb/current/onlinedocs/gdb/Continuing-and-Stepping.html#Continuing-and-Stepping)
...
Can't update Macports (with Mac OS X Mavericks)
...
Install the "Command Line Tools" first:
sudo xcode-select --install
(Explicitly agreeing to the license is sometimes necessary via "sudo xcodebuild -license")
Then upgrade the ports:
sudo port -v selfupdate
...
Why does Windows64 use a different calling convention from all other OSes on x86-64?
... RAX (return value) and RCX, RDX, R8, R9 (arg[0..3]) are an understandable selection if you choose four registers for arguments.
I don't know why the AMD64 UN*X ABI chose RDX before RCX.
Choosing six argument registers on x64 - UN*X specific
UN*X, on RISC architectures, has traditionally done argume...
Prevent form submission on Enter key press
I have a form with two text boxes, one select drop down and one radio button . When the enter key is pressed, I want to call my JavaScript function, but when I press it, the form is submitted.
...
Block Comments in a Shell Script
...ing to write active code to create passive code... just use good old block select mode and press #; what's the big issue with that?
– Rusty75
Feb 27 '17 at 15:37
...
LeanDB 拓展：LeanCloud数据库接入 · App Inventor 2 中文网
...表达式传给 ConditionJsonBuilder，再把返回的条件文本传给 Select，避免手动拼接 JSON。
是不是非常的精炼，更加的符合自然语言。
conditionExpress：条件表达式。半角空格（至少一个空格）隔开的字符串表达式，必须为三段。第一段...