大约有 10,150 项符合查询结果（耗时：0.0231秒） [XML]
Sending an HTTP POST request on iOS
I'm trying to send an HTTP Post with the iOS application that I'm developing but the push never reaches the server although I do get a code 200 as response (from the urlconnection). I never get a response from the server nor does the server detect my posts (the server does detect posts coming from a...
How to make a Java thread wait for another thread's output?
I'm making a Java application with an application-logic-thread and a database-access-thread.
Both of them persist for the entire lifetime of the application and both need to be running at the same time (one talks to the server, one talks to the user; when the app is fully started, I need both of t...
In Python, when to use a Dictionary, List or Set?
When should I use a dictionary, list or set?
11 Answers
11
...
Why don't C++ compilers define operator== and operator!=?
I am a big fan of letting the compiler do as much work for you as possible. When writing a simple class the compiler can give you the following for 'free':
...
How do I parse a string with a decimal point to a double?
I want to parse a string like "3.5" to a double. However,
18 Answers
18
...
Avoid browser popup blockers
I'm developing an OAuth authentication flow purely in JavaScript and I want to show the user the "grant access" window in a popup, but it gets blocked.
...
How can I backup a remote SQL Server database to a local drive?
I need to copy a database from a remote server to a local one. I tried to use SQL Server Management Studio, but it only backs up to a drive on the remote server.
...
How to add item to the beginning of List?
I want to add a "Select One" option to a drop down list bound to a List<T> .
5 Answers
...
How do I show the value of a #define at compile-time?
I am trying to figure out what version of Boost my code thinks it's using. I want to do something like this:
14 Answers
...
To find whether a column exists in data frame or not
I have a data.frame with the name "abcframe"
4 Answers
4
...