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GSON - Date format
...tamps, but this serializer/deserializer-pair seems to work
JsonSerializer<Date> ser = new JsonSerializer<Date>() {
@Override
public JsonElement serialize(Date src, Type typeOfSrc, JsonSerializationContext
context) {
return src == null ? null : new JsonPrimitive(src...
How do I convert from stringstream to string in C++?
...ucted at the end of the expression, so directly calling c_str() on the result of str() (for example in auto *ptr = out.str().c_str();) results in a dangling pointer...
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Align button at the bottom of div using CSS
...be used to align button at the bottom of parent element.
Required HTML:
<div class="container">
<div class="btn-holder">
<button type="button">Click</button>
</div>
</div>
Necessary CSS:
.container {
justify-content: space-between;
flex-direction:...
How to dynamically create generic C# object using reflection? [duplicate]
...mple. Quick translation of same to your classes ...
var d1 = typeof(Task<>);
Type[] typeArgs = { typeof(Item) };
var makeme = d1.MakeGenericType(typeArgs);
object o = Activator.CreateInstance(makeme);
Per your edit: For that case, you can do this ...
var d1 = Type.GetType("GenericTest.Ta...
How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
How can you filter out specific apps when using the ACTION_SEND intent? This question has been asked in various ways, but I haven't been able to gather a solution based on the answers given. Hopefully someone can help. I would like to provide the ability to share within an app. Following Android ...
Group by multiple columns in dplyr, using string vector input
...understanding of plyr into dplyr, but I can't figure out how to group by multiple columns.
9 Answers
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Trimming a huge (3.5 GB) csv file to read into R
...readLines. This piece of a code creates csv with selected years.
file_in <- file("in.csv","r")
file_out <- file("out.csv","a")
x <- readLines(file_in, n=1)
writeLines(x, file_out) # copy headers
B <- 300000 # depends how large is one pack
while(length(x)) {
ind <- grep("^[^;]*;[...
tooltips for Button
Is it possible to create a tooltip for an html button. Its the normal HTML button and there is no Title attribute as it is there for some html controls. Any thoughts or comments?
...
Difference between / and /* in servlet mapping url pattern
...
<url-pattern>/*</url-pattern>
The /* on a servlet overrides all other servlets, including all servlets provided by the servletcontainer such as the default servlet and the JSP servlet. Whatever request you fire, it...
C# DLL config file
...or good reason. The .NET configuration mechanism has a lot of features built into it to facilitate easy upgrading/updating of the app, and to protect installed apps from trampling each others configuration files.
There is a big difference between how a DLL is used and how an application is used. ...