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Create an empty data.frame
... vectors:
df <- data.frame(Date=as.Date(character()),
File=character(),
User=character(),
stringsAsFactors=FALSE)
Here's an other example with different column types :
df <- data.frame(Doubles=double(),
Ints=integer()...
Xcode Find and replace in all project files
I need to replace NSLog with DDLogVerbose in all files in the current project I am working on… What is an easy method to do this? (the search navigator only has search in it).
...
What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?
...ns you only update when the major changes, so 1.0, 2.0, 3.0, etc.
AssemblyFileVersion
Used for deployment. You can increase this number for every deployment. It is used by setup programs. Use it to mark assemblies that have the same AssemblyVersion, but are generated from different builds.
In Win...
Android: failed to convert @drawable/picture into a drawable
...
Android's own icon pack contains filenames like 10-device-access-alarms.png, that Eclipse chokes on! Thanks.
– Noumenon
May 5 '13 at 17:06
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Can Retrofit with OKHttp use cache data when offline
...tworkInterceptors().add(REWRITE_CACHE_CONTROL_INTERCEPTOR);
//setup cache
File httpCacheDirectory = new File(context.getCacheDir(), "responses");
int cacheSize = 10 * 1024 * 1024; // 10 MiB
Cache cache = new Cache(httpCacheDirectory, cacheSize);
//add cache to the client
client.setCache(cache);
...
How do I execute a command and get the output of the command within C++ using POSIX?
...ay<char, 128> buffer;
std::string result;
std::unique_ptr<FILE, decltype(&pclose)> pipe(popen(cmd, "r"), pclose);
if (!pipe) {
throw std::runtime_error("popen() failed!");
}
while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr) {
resul...
Cannot overwrite model once compiled Mongoose
...son why You might get this Error is if you use the same model in different files but your require path has a different case. For example in my situation I had:
require('./models/User') in one file and then in another file where I needed access to the User model I had require('./models/user').
I gu...
Completely uninstall PostgreSQL 9.0.4 from Mac OSX Lion?
...at the last question and the link that it referenced, but I did not find a file called "uninstall-postgresql" when I run this command:
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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...ve AWS Account with a Micro instance running.
Run dd if=/dev/zero of=/swapfile bs=1M count=1024
Run mkswap /swapfile
Run swapon /swapfile
Add this line /swapfile swap swap defaults 0 0 to /etc/fstab
Step 4 is needed if you would like to automatically enable swap file after each reboot.
Some useful...
What is the purpose of Node.js module.exports and how do you use it?
...ports.func1, exports.func2, etc" to have multiple exposed methods from one file.
– hellatan
Aug 1 '12 at 4:50
75
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