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How to capture no file for fs.readFileSync()?
...
I prefer this way of handling this. You can check if the file exists synchronously:
var file = 'info.json';
var content = '';
// Check that the file exists locally
if(!fs.existsSync(file)) {
console.log("File not found");
}
// The file *does* exist
else {
// Read the file and do a...
How do I limit the number of rows returned by an Oracle query after ordering?
...12.1), there is a row limiting clause. It does not use familiar LIMIT syntax, but it can do the job better with more options. You can find the full syntax here. (Also read more on how this works internally in Oracle in this answer).
To answer the original question, here's the query:
SELECT *
FROM ...
Best way to find if an item is in a JavaScript array? [duplicate]
... or other older browsers:
function include(arr,obj) {
return (arr.indexOf(obj) != -1);
}
EDIT:
This will not work on IE6, 7 or 8 though. The best workaround is to define it yourself if it's not present:
Mozilla's (ECMA-262) version:
if (!Array.prototype.indexOf)
{
Array.protot...
“render :nothing => true” returns empty plaintext file?
...s to see what content type the response is.
If it's anything other than text/html, you can try to manually set the content type like this:
render :nothing => true, :status => 200, :content_type => 'text/html'
sha...
How do synchronized static methods work in Java and can I use it for loading Hibernate entities?
...enario:
Client A and B attempt to insert different information into record X of table T.
With your approach the only thing you're getting is to make sure one is called after the other, when this would happen anyway in the DB, because the RDBMS will prevent them from inserting half information from A...
Combining multiple commits before pushing in Git [duplicate]
... commit, do this:
git rebase -i origin/master
This will bring up your text editor (-i is for "interactive") with a file that looks like this:
pick 16b5fcc Code in, tests not passing
pick c964dea Getting closer
pick 06cf8ee Something changed
pick 396b4a3 Tests pass
pick 9be7fdb Better comments
pi...
String literals: Where do they go?
...-only (which is why you can't change it).
It does vary by platform. For example, simpler chip architectures may not support read-only memory segments so the data segment will be writable.
Rather then try to figure out a trick to make string literals changeable (it will be highly dependent on your...
Programmatically obtain the phone number of the Android phone
...
Code:
TelephonyManager tMgr = (TelephonyManager)mAppContext.getSystemService(Context.TELEPHONY_SERVICE);
String mPhoneNumber = tMgr.getLine1Number();
Required Permission:
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
Caveats:
According to the hi...
How can I convert my Java program to an .exe file? [closed]
...ource file (*.java) or a class file (*.class), how can I convert it to a .exe file?
14 Answers
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