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Creating a blurring overlay view
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edited Jul 8 '19 at 10:31
Eric
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SHA1 vs md5 vs SHA256: which to use for a PHP login?
I'm making a php login, and I'm trying to decide whether to use SHA1 or Md5, or SHA256 which I read about in another stackoverflow article. Are any of them more secure than others? For SHA1/256, do I still use a salt?
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How do I convert a String to an int in Java?
...= Integer.parseInt(myString);
}
catch (NumberFormatException e)
{
foo = 0;
}
(This treatment defaults a malformed number to 0, but you can do something else if you like.)
Alternatively, you can use an Ints method from the Guava library, which in combination with Java 8's Optional, makes for a po...
Progress indicator during pandas operations
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302
Due to popular demand, tqdm has added support for pandas. Unlike the other answers, this will n...
StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
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版本
日期
修改内容
1.0
2024-06-15
初始版本
1.1
2025-04-20
添加 getASCIICode、getASCIIChar
1.2
2025-09-02
原作者网页列出 Replace、Index、Email、InetAddress 函数...
MLKitImageLabeler 拓展：离线图像标注（拍照识物） · App Inventor 2 中文网
...ImageLabeler 拓展
识别一张图片里有什么，返回 400 多个通用类别及置信度（花、食物、天空、建筑、猫、狗……）。
为什么选它：
完全离线。模型随 .aix 打包，设备不需要 Google Play 服务，断网也能用。
标签自带...
How to sort a list of lists by a specific index of the inner list?
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10 Answers
10
Active
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PHP substring extraction. Get the string before the first '/' or the whole string
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Use explode()
$arr = explode("/", $string, 2);
$first = $arr[0];
In this case, I'm using the limit parameter to explode so that php won't scan the string any more than what's needed.
share
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Placeholder in UITextView
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+50
I made a few minor modifications to bcd's solution to allow for initialization from a Xib file, text wrapping, and to maintain backgro...
What regular expression will match valid international phone numbers?
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\+(9[976]\d|8[987530]\d|6[987]\d|5[90]\d|42\d|3[875]\d|
2[98654321]\d|9[8543210]|8[6421]|6[6543210]|5[87654321]|
4[987654310]|3[9643210]|2[70]|7|1)\d{1,14}$
Is the correct format for matching a generic international phone number. I replaced t...