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How can I clear event subscriptions in C#?
...nts are actually doing - they're creating a variable and an event at the same time. Within the class, you end up referencing the variable. From outside, you reference the event.
See my article on events and delegates for more information.
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Tools to generate database tables diagram with Postgresql? [closed]
...'ll need to download the JDBC driver here, then your command should look something like:
java -jar schemaspy-6.0.0-rc2.jar -t pgsql -db database_name -host myhost -u username -p password -o ./schemaspy -dp postgresql-9.3-1100.jdbc3.jar -s public -noads
Sometimes using options -port will not worki...
Print JSON parsed object?
...sed using JSON.parse I now want to print the object so I can debug it (something is going wrong with the function). When I do the following...
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How to select the rows with maximum values in each group with dplyr? [duplicate]
...%>%
arrange(A,B,C)
Seems to work:
identical(
as.data.frame(result),
ddply(df, .(A, B), function(x) x[which.max(x$value),])
)
#[1] TRUE
As pointed out in the comments, slice may be preferred here as per @RoyalITS' answer below if you strictly only want 1 row per group. This answ...
javascript check for not null
...
should be if (null != val) somehow it was not working with the quotes
– Ananda
Aug 15 '16 at 9:09
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What does Java option -Xmx stand for? [duplicate]
java -Xmx1024m filename
5 Answers
5
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How can we generate getters and setters in Visual Studio?
By "generate", I mean auto-generation of the code necessary for a particular selected (set of) variable(s).
16 Answers
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How to reformat JSON in Notepad++?
...e did PluginManager go? See How to view Plugin Manager in Notepad++
{
"menu" : {
"id" : "file",
"value" : "File",
"popup" : {
"menuitem" : [{
"value" : "New",
"onclick" : "CreateNewDoc()"
}, {
"value" : "Open",
"onclick" : "OpenDoc()"...
How to reposition Chrome Developer Tools
The tools are opened on the bottom of the chrome window per default. This is a rather bad choice for a wide screen display since there is plenty of empty space to the right but not much vertical space to spare. Unfortunately, I have found no way to reposition the tools. I would like to have them on ...
Converting Java objects to JSON with Jackson
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Only thing is the String comes out escaped from the ObjectWriter. Use: new JSONObject(ow.writeValueAsString(msg)) if it's being sent out via Web Services like RESTful.
– jmarcosSF
Mar 23 '15 at 6:28
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