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Count the number of occurrences of a character in a string in Javascript
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BjornBjorn
56.8k3636 gold badges125125 silver badges161161 bronze badges
8
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How to concatenate two strings in C++?
...char
result[l1+l2] = '\0';
return result;
}
...and then...
char s1[] = "file_name";
char *c = con(s1, ".txt");
... the result of which is file_name.txt.
You might also be tempted to write your own operator + however IIRC operator overloads with only pointers as arguments is not allowed...
Makefile, header dependencies
...h better.
– xaxxon
Oct 30 '15 at 21:35
2
This is a very bad solution. Sure it will work on a smal...
What's the main difference between int.Parse() and Convert.ToInt32
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Dave MarkleDave Markle
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54...
Using backticks around field names
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That's very true! One of our server applications was running fine until we applied an upgrade to our database engine, which added a new keyword. Suddenly everything that queried a particular table broke.
– Miquella
Nov 19 ...
How to check whether a pandas DataFrame is empty?
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aIKidaIKid
19.4k44 gold badges3535 silver badges5656 bronze badges
3
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How to fix UITableView separator on iOS 7? [duplicate]
...screen.
[tableView setSeparatorInset:UIEdgeInsetsZero];
Note: If your app is also targeting other iOS versions, you should check for the availability of this property before calling it by doing something like this:
if ([tableView respondsToSelector:@selector(setSeparatorInset:)]) {
[tableV...
Easy way to see saved NSUserDefaults?
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You can find the pList file for your app in the simulator if you go to:
/users/your user name/Library/Application Support/iPhone Simulator/<Sim Version>/Applications
This directory has a bunch of GUID named directories. If you are working on a few apps ...
App Inventor 2 接入百度网盘API · App Inventor 2 中文网
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App Inve...
Deep Learning（深度学习）学习笔记整理系列之（三） - 大数据 & AI - 清泛...
...earning的基本思想
假设我们有一个系统S，它有n层（S1,…Sn），它的输入是I，输出是O，形象地表示为： I =>S1=>S2=>…..=>Sn => O，如果输出O等于输入I，即输入I经过这个系统变化之后没有任何的信息损失（呵呵，大牛说，这是...