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How to initialise memory with new operator in C++?
...ing to get into C++ and I want to pick up some good habits. If I have just allocated an array of type int with the new operator, how can I initialise them all to 0 without looping through them all myself? Should I just use memset ? Is there a “C++” way to do it?
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SQL Query to concatenate column values from multiple rows in Oracle
... (with tag E)
extract the text of this
aggregate the xml (concatenate it)
call the resulting column "Result"
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What is the purpose of “android.intent.category.DEFAULT”?
...egories in the Intent filter). If you are sure that your activity must be called with any other Category, don't use the Default.
Setting Category to Default doesn't mean that this Activity will be used by default when your app launches. The Activity just says to system that " Oh I could be started,...
Get all child views inside LinearLayout at once
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Hi Yashwanth Kumar, can i get all TextViews in that Linearlayout?
– Hai nguyen
Dec 18 '13 at 9:22
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Android: How to enable/disable option menu item on button click?
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Anyway, the documentation covers all the things.
Changing menu items at runtime
Once the activity is created, the
onCreateOptionsMenu() method is called
only once, as described above. The
system keeps and re-uses the Menu you
define in this meth...
Print a list of all installed node.js modules
In a node.js script that I'm working on, I want to print all node.js modules (installed using npm) to the command line. How can I do this?
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How to disable all div content
I was under the assumption that if I disabled a div, all content got disabled too.
27 Answers
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What's the difference between git reflog and log?
...eline --graph --decorate.)
git reflog doesn't traverse HEAD's ancestry at all. The reflog is an ordered list of the commits that HEAD has pointed to: it's undo history for your repo. The reflog isn't part of the repo itself (it's stored separately to the commits themselves) and isn't included in pu...
stop all instances of node.js server
...t have any other Node processes running, you can tell your machine to kill all processes named node.exe. That would look like this:
taskkill /im node.exe
And if the processes still persist, you can force the processes to terminate by adding the /f flag:
taskkill /f /im node.exe
If you need mor...
Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”
I would like install R on my laptop Mac OS X version 10.7.3
6 Answers
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