大约有 11,400 项符合查询结果（耗时：0.0293秒） [XML]
Long-held, incorrect programming assumptions [closed]
I am doing some research into common errors and poor assumptions made by junior (and perhaps senior) software engineers.
19...
Compare dates in MySQL
I want to compare a date from a database that is between 2 given dates.
The column from the database is DATETIME, and I want to compare it only to the date format, not the datetime format.
...
Artificially create a connection timeout error
I've had a bug in our software that occurs when I receive a connection timeout. These errors are very rare (usually when my connection gets dropped by our internal network). How can I generate this kind of effect artificially so I can test our software?
...
How to prevent Node.js from exiting while waiting for a callback?
...
Callback is Not Queued
Node runs until all event queues are empty. A callback is added to an event queue when a call such as
emmiter1.on('this_event',callback).
has executed. This call is part of the code written by the m...
Using an HTML button to call a JavaScript function
I am trying to use an HTML button to call a JavaScript function.
10 Answers
10
...
ipython notebook clear cell output in code
In a iPython notebook, I have a while loop that listens to a Serial port and print the received data in real time.
3 Answ...
How does this print “hello world”?
...
The number 4946144450195624 fits 64 bits, its binary representation is:
10001100100100111110111111110111101100011000010101000
The program decodes a character for every 5-bits group, from right to left
00100|01100|10010|01111|1...
String replacement in Objective-C
How to replace a character is a string in Objective-C?
6 Answers
6
...
What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .cl
What is the difference between these two selectors?
3 Answers
3
...
JavaScript: How to find out if the user browser is Chrome?
I need some function returning a boolean value to check if the browser is Chrome .
13 Answers
...