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Checking for a null int value from a Java ResultSet
...the field value is NULL, I suggest:
int iVal = 0;
ResultSet rs = magicallyAppearingStmt.executeQuery(query);
if (rs.next()) {
iVal = rs.getInt("ID_PARENT");
if (rs.wasNull()) {
// handle NULL field value
}
}
(Edited as @martin comments below; the OP code as written would not c...
how to check if object already exists in a list
...epends on the needs of the specific situation. For example, the dictionary approach would be quite good assuming:
The list is relatively stable (not a lot of inserts/deletions, which dictionaries are not optimized for)
The list is quite large (otherwise the overhead of the dictionary is pointless)....
Error executing command 'ant' on Mac OS X 10.9 Mavericks when building for Android with PhoneGap/Cor
...ap build again and it should successfully compile and install your Android app.
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How set background drawable programmatically in Android
...le(context, R.drawable.ready)
You will need to add the following in your app build.gradle
compile 'com.android.support:support-v4:23.0.0' # or any version above
Or using ResourceCompat, in any API like below:
import android.support.v4.content.res.ResourcesCompat;
ResourcesCompat.getDrawable(...
UICollectionView's cellForItemAtIndexPath is not being called
...
Can you elaborate a bit more. Same is happening for me
– user1010819
Oct 15 '13 at 17:32
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How can you use optional parameters in C#?
...sb = new StringBuilder(); for (int i = 0; i < args.Length; i++){ sb.Append("{"); sb.Append(i.ToString()); sb.Append("}"); sb.Append(" "); } String.Format(sb.ToString(),args).Dump(); } Sample call: log("...Done,",(watch.ElapsedMilliseconds/1000).ToString(),"s");
–...
Draw Circle using css alone [duplicate]
...Microsoft recommends it. Google even discontinued IE8 support in their web apps (Gmail, Calendar, Drive, Docs, etc.) at the end of 2012. It's ridiculous to support a 5 year old browser.
– Gavin
Sep 12 '13 at 10:08
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PHP server on local machine?
... these days.
You simply run the command from the terminal:
cd path/to/your/app
php -S 127.0.0.1:8000
Then in your browser go to http://127.0.0.1:8000 and boom, your system should be up and running. (There must be an index.php or index.html file for this to work.)
You could also add a simple Router
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Changing image sizes proportionally using CSS?
...r a couple of days now to configure my thumbnail gallery so all the images appear the same height and width. However when I change the Css code to,
...
How to get the CPU Usage in C#?
I want to get the overall total CPU usage for an application in C#. I've found many ways to dig into the properties of processes, but I only want the CPU usage of the processes, and the total CPU like you get in the TaskManager.
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