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Remove an onclick listener
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i wonder if listeners cause memory allocation ? Do we need to free them ? Will that raise performance of app ?
– alicanbatur
Nov 4 '13 at 11:42
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Getting the IP address of the current machine using Java
I am trying to develop a system where there are different nodes that are run on different system or on different ports on the same system.
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Force “portrait” orientation mode
...entation|keyboardHidden">
</activity>
This is applied in the manifest file AndroidManifest.xml.
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Set a default font for whole iOS app?
...e in iOS 5 using the UIAppearance proxy.
[[UILabel appearance] setFont:[UIFont fontWithName:@"YourFontName" size:17.0]];
That will set the font to be whatever your custom font is for all UILabels in your app. You'll need to repeat it for each control (UIButton, UILabel, etc.).
Remember you'll ...
HTML form readonly SELECT tag/input
... HTML doesn't have a readonly attribute, only a disabled attribute. So if you want to keep the user from changing the dropdown, you have to use disabled .
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How to determine whether a Pandas Column contains a particular value
...y in a Pandas column that has a particular value. I tried to do this with if x in df['id'] . I thought this was working, except when I fed it a value that I knew was not in the column 43 in df['id'] it still returned True . When I subset to a data frame only containing entries matching the missi...
android ellipsize multiline textview
... use this code freely and without attribution, or under the Apache license if you would prefer. Note that there is a listener to notify you when the text becomes ellipsized, which I found quite useful myself.
import java.util.ArrayList;
import java.util.List;
import android.content.Context;
impor...
How to check if a specific key is present in a hash or not?
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my_hash2.has_key?("my_key".to_sym)
=> false
But when creating hash if you pass string as key then it will search for the string in keys.
But when creating hash you pass symbol as key then has_key? will search the keys by using symbol.
If you are using Rails, you can use Hash#with_indiffe...
Detailed 500 error message, ASP + IIS 7.5
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I have come to the same problem and fixed the same way as Alex K.
So if "Send Errors To Browser" is not working set also this:
Error Pages -> 500 -> Edit Feature Settings -> "Detailed Errors"
Also note that if the content of the error page sent back is quite short and you're using...
How to convert milliseconds into human readable form?
...in the above, it is assumed that / represents truncating integer division. If you use this code in a language where / represents floating point division, you will need to manually truncate the results of the division as needed.
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