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How do you make a HTTP request with C++?
... API) and check the contents to see if it contains a 1 or a 0. Is it also possible to download the contents into a string?
...
MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
...验数据一致性
建立用户并授权
注意这里要在主从创建一个同名的用户，可以从主库访问从库，主库本地可以访问主库。工具的使用都是在主库的服务器上进行,使用
pt-table-checksum校验数据一致性。
从库mysql操作
GRANT SELECT,PR...
How to jump to a particular line in a huge text file?
...is read in memory! So I would definitely rule this answer out for the purpose of quickly accessing a given line in a file.
– MiniQuark
Mar 6 '09 at 21:15
...
urlencode vs rawurlencode?
...
It will depend on your purpose. If interoperability with other systems is important then it seems rawurlencode is the way to go. The one exception is legacy systems which expect the query string to follow form-encoding style of spaces encoded as + inst...
Generating a SHA-256 hash from the Linux command line
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NOTE: on OS X (BSD), it's echo -n foobar | shasum -a 256
– Olie
Oct 16 '14 at 15:26
6
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When should I release objects in -(void)viewDidUnload rather than in -dealloc?
...wanted to elaborate more about logic behind -viewDidUnload.
One of the most important reasons for implementing it is that UIViewController subclasses commonly also contain owning references to various subviews in the view hierarchy. These properties could have been set through IBOutlets when loa...
Sending POST data in Android
... params[0]; // URL to call
String data = params[1]; //data to post
OutputStream out = null;
try {
URL url = new URL(urlString);
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
out = new B...
detect key press in python?
...
For those who are on windows and were struggling to find an working answer here's mine: pynput
from pynput.keyboard import Key, Listener
def on_press(key):
print('{0} pressed'.format(
key))
def on_release(key):
p...
What is the difference between the kernel space and the user space?
...t mess with memory (and other resources) owned by other programs or by the OS kernel. This limits (but usually doesn't entirely eliminate) their ability to do bad things like crashing the machine.
The kernel is the core of the operating system. It normally has full access to all memory and machine ...
How Do You Clear The IRB Console?
...
On Mac OS X or Linux you can use Ctrl + L to clear the IRB screen.
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