大约有 44,000 项符合查询结果（耗时：0.0483秒） [XML]
Choice between vector::resize() and vector::reserve()
I am pre-allocating some memory to my a vector member variable. Below code is minimal part
4 Answers
...
How to use putExtra() and getExtra() for string data
Can someone please tell me how exactly to use getExtra() and putExtra() for intents? Actually I have a string variable, say str, which stores some string data. Now, I want to send this data from one activity to another activity.
...
ViewDidAppear is not called when opening app from background
I have a View Controller in which my value is 0 (label) and when I open that View Controller from another ViewController I have set viewDidAppear to set value 20 on label. It works fine but when I close my app and than again I open my app but the value doesn't change because viewDidLoad , vie...
Gulp.js task, return on src?
I'm new to gulp and have been looking through example set-ups.
Some people have the following structure:
3 Answers
...
gem install: Failed to build gem native extension (can't find header files)
I am using Fedora 14 and I have MySQL and MySQL server 5.1.42 installed and running.
Now I tried to do this as root user:
1...
Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss
I was told I can add the -XX:+HeapDumpOnOutOfMemoryError parameter to my JVM start up options to my JBoss start up script to get a heap dump when we get an out of memory error in our application. I was wondering where this data gets dumped? Is it just to the console, or to some log file? If it'...
String replacement in batch file
We can replace strings in a batch file using the following command
4 Answers
4
...
Two statements next to curly brace in an equation
How can I write an equation with one curly brace ( { ), and on the right-hand side next to the curly, two statements in two different lines?
...
IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath
When I try to make a simple module in IntelliJ it responds with:
6 Answers
6
...
How to change the author and committer name and e-mail of multiple commits in Git?
I was writing a simple script in the school computer, and committing the changes to Git (in a repo that was in my pendrive, cloned from my computer at home). After several commits I realized I was committing stuff as the root user.
...