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Git 'fatal: Unable to write new index file'
...talled new OS, moved my repos around and it was showing this exact error I selected the root folder and then added authenticated the user to check all
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How to reverse a singly linked list using only two pointers?
...ct Node {
char data;
struct Node* next;
} Node;
void print_list(Node* root) {
while (root) {
printf("%c ", root->data);
root = root->next;
}
printf("\n");
}
Node* reverse(Node* root) {
Node* new_root = 0;
while (root) {
Node* next = root->next;
root->next ...
When should you use a class vs a struct in C++?
... class that has no non-static data members of type non-POD-struct, non-POD-union (or array of such types) or reference, and has no user-defined copy assignment operator and no user-defined destructor." There is no restriction on using the "struct" class-key and no restriction on using "public" (see...
Hibernate: hbm2ddl.auto=update in production?
...tabase schema.
The awesome thing is that I can take a totally blank slate mysql database on my laptop, fire up the app, and right away the schema is set up for me. It also makes it easy to test schema changes by applying these to a local-dev or staging db first.
The easiest way to get started wit...
in_array multiple values
... developer, you should probably start learning set operations (difference, union, intersection). You can imagine your array as one "set", and the keys you are searching for the other.
Check if ALL needles exist
function in_array_all($needles, $haystack) {
return empty(array_diff($needles, $hays...
Do you have to include ?
...in an images/ directory). The browser/webpage looks for favicon.ico in the root directory by default.
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Storyboard - refer to ViewController in AppDelegate
...
If you use XCode 5 you should do it in a different way.
Select your UIViewController in UIStoryboard
Go to the Identity Inspector on the right top pane
Check the Use Storyboard ID checkbox
Write a unique id to the Storyboard ID field
Then write your code.
// Override point for ...
How do I create a URL shortener?
...Take an auto-generated, unique numerical key (the auto-incremented id of a MySQL table for example).
For this example, I will use 12510 (125 with a base of 10).
Now you have to convert 12510 to X62 (base 62).
12510 = 2×621 + 1×620 = [2,1]
This requires the use of integer division and modulo. A ...
请停下来重新想下 你究竟为何创业？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...扯？这里不应该是创业成功者的鸡汤分享区么？比如你是如何拿到几亿美元的风投，或者起码要秀一下融资的雄心壮志吧？毕竟哪个心智正常的人会花费十几年的时间经营公司，却连想要吞并别人的野心都没有。
唔，我之所以...
How to create a self-signed certificate with OpenSSL
...ommand. It can be tricky to create one that can be consumed by the largest selection of clients, like browsers and command line tools.
It's difficult because the browsers have their own set of requirements, and they are more restrictive than the IETF. The requirements used by browsers are documente...