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Default function arguments in Rust
...1.8;
let mut weight = 77.11;
let mut name = "unspecified".to_string();
for opt in args {
match opt {
Height(h) => height = *h,
Weight(w) => weight = *w,
Name(n) => name = n.to_string(),
}
}
println!(" name:...
Android Preferences: How to load the default values when the user hasn't used the preferences-screen
...
Be aware that if you are using
getSharedPreferences(String sharedPreferencesName, int sharedPreferencesMode)
to retrieve preferences you have to use
PreferenceManager.setDefaultValues(Context context, String sharedPreferencesName, int sharedPreferencesMode, int resId, boolea...
Why not use java.util.logging?
...gger.getLogger(LogJUL.class.getSimpleName());
public static void main(String[] args)
{
int N = 1024*1024;
long l = System.currentTimeMillis();
for (int i = 0; i < N; i++)
{
Long lc = System.currentTimeMillis();
Object[] o = { lc...
How do I get logs/details of ansible-playbook module executions?
...e: Debug hello
debug: var=hello
- name: Debug hello.stdout as part of a string
debug: "msg=The script's stdout was `{{ hello.stdout }}`."
Output should look something like this:
TASK: [Hello yourself] ********************************************************
changed: [MyTestHost]
TASK: [Deb...
What is the best way to solve an Objective-C namespace collision?
...inters to any symbols they reference, whereas in Objective-C, they contain string representations of the names of thsoe symbols. Thus, in your example, you can use dlsym to get the symbol's address in memory and attach it to another symbol. The other code in the library still works because you're no...
Python: How would you save a simple settings/config file?
...ke getboolean and getint allow you to get the datatype instead of a simple string.
Writing configuration
import os
configfile_name = "config.yaml"
# Check if there is already a configurtion file
if not os.path.isfile(configfile_name):
# Create the configuration file as it doesn't exist yet
...
boost::filesystem指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...(bf::exists(path))
{
std::ofstream out(path.file_string().c_str());
if(!out) return 1;
out << "一个测试文件\n";
} else {
std::cout << path << "不存在\n";
//目录不存在，创建
...
Why should casting be avoided? [closed]
...e caught by the Java compiler, and not just generic ones either. Consider (String)0;
– Marquis of Lorne
Nov 13 '10 at 21:11
...
“Too many values to unpack” Exception
...no Borini, I am getting also similar error but in my case, I am creating a string as obj='{"vendorId": "' + vID +'", "vendorName" :"'+vName+'", "addedDate" : "'+vAddedDate+'","usersList" : "'+ usersList + '," status" : "'+str(vStatus)+'","edit"'+edit+'"}'; although all the values are string, it give...
include external .js file in node.js app
...
// Define Car model
CarSchema = new Schema({
brand : String,
type : String
});
mongoose.model('Car', CarSchema);
}
module.exports.make = make;
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