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Occurrences of substring in a string
...r = "helloslkhellodjladfjhello";
String findStr = "hello";
int lastIndex = 0;
int count = 0;
while(lastIndex != -1){
lastIndex = str.indexOf(findStr,lastIndex);
if(lastIndex != -1){
count ++;
lastIndex += findStr.length();
}
}
System.out.println(count);
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How can I temporarily disable a foreign key constraint in MySQL?
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10 Answers
10
Active
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Microbit 温度传感器 · App Inventor 2 中文网
...系方式： 不需要回复的可留空~ 意见反馈（300字以内）： 给个鼓励也行呐~o~ 提供截图（仅截取当前可视区域） delete edit 高亮或隐藏信息 ...
How can I use goto in Javascript?
...lo, world! message to the JavaScript console 538 times, like this:
var i = 0;
[lbl] start:
console.log("Hello, world!");
i++;
if(i < 538) goto start;
You can read more about how goto is implemented, but basically, it does some JavaScript preprocessing that takes advantage of the fact that you ca...
Python: List vs Dict for look up table
I have about 10million values that I need to put in some type of look up table, so I was wondering which would be more efficient a list or dict ?
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Illegal string offset Warning PHP
I get a strange PHP error after updating my php version to 5.4.0-3.
16 Answers
16
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App Inventor 2 PhoneInfo 拓展：获取手机等设备软硬件、版本等相关信息 ·...
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GetDeviceID
获取设备ID。Android 10+不支持！
GetPhoneNumber
获取本机手机号码。无SIM卡设备将返回空文本；双SIM卡设备将返回主卡号码。Android 10+不支持！
注：这个方法采用的是较常规的...
Get Bitmap attached to ImageView
...rslan Anwar
18.1k1616 gold badges7272 silver badges104104 bronze badges
34
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?
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You are looking for this solution :
StaticDataTableViewController 2.0
https://github.com/xelvenone/StaticDataTableViewController
which can show/hide/reload any static cell(s) with or without animation!
[self cell:self.outletToMyStaticCell1 setHidden:hide];
[self cell:self.outletToMyStatic...
Split a python list into other “sublists” i.e smaller lists [duplicate]
I have a python list which runs into 1000's. Something like:
3 Answers
3
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