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Convert data.frame columns from factors to characters
...ata frame. One option is to use the above but then use type.convert after casting everything to character, then recast factors back to character again.
– Shane
May 17 '10 at 18:56
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Is there a way to suppress warnings in Xcode?
...warning in your code can be avoided by doing things correctly (normally by casting objects to the correct type) or by declaring prototypes when you need them.
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Why is “import *” bad?
...f into your namespace (might shadow some other object from previous import and you won't know about it).
Because you don't know exactly what is imported and can't easily find from which module a certain thing was imported (readability).
Because you can't use cool tools like pyflakes to statically ...
0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
...ered Oct 10 '13 at 14:13
static_caststatic_cast
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How can I get the console logs from the iOS Simulator?
...ut, so you can see the logs mixed up with system logs.
Open the Terminal and type: tail -f /var/log/system.log
Then run the simulator.
EDIT:
This stopped working on Mavericks/Xcode 5. Now you can access the simulator logs in its own folder: ~/Library/Logs/iOS Simulator/<sim-version>/syste...
Remote debugging Tomcat with Eclipse
... it. Eclipse doesn't actually say anything when it successfully connects, and reconnecting a second time forces the error. So it was working, but I just didn't notice.
– victor
Oct 1 '10 at 17:18
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C/C++ maximum stack size of program
...nment variable in the OS. You can then check the stack size with ulimit -s and set it to a new value with for example ulimit -s 16384.
Here's a link with default stack sizes for gcc.
DFS without recursion:
std::stack<Node> dfs;
dfs.push(start);
do {
Node top = dfs.top();
if (top is ...
How to declare global variables in Android?
I am creating an application which requires login. I created the main and the login activity.
17 Answers
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Convert a JSON string to object in Java ME?
...Node", "width":200, "height":100}
You can easily do so, without having to cast (keeping nimcap's comment in mind ;) ), with the following code:
Gson gson = new Gson();
final User user = gson.fromJson(jsonString, User.class);
Where jsonString is the above JSON String.
For more information, plea...
What does %s mean in a python format string?
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nice. %d saves you from casting str(int). any idea what the %s and %d stand for? i guess i'll remember them as string and digit.
– user391339
Apr 3 '16 at 19:29
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