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How do I tell if a regular file does not exist in Bash?
...e - Check for file existence, regardless of type (node, directory, socket, etc.)
-f filename - Check for regular file existence not a directory
-G filename - Check if file exists and is owned by effective group ID
-G filename set-group-id - True if file exists and is set-group-id
-k filename - Stick...
How to emulate GPS location in the Android Emulator?
... Emulator console that lets you enter certain data like geo fixes, network etc.
How to use the console is extensively explained here.
To connect to the console open a command line and type
telnet localhost 5554
You then can use the geo command to set a latitude, longitude and if needed altitude...
Should all Python classes extend object?
... double-underscore methods, descriptors, super() method, property() method etc.
Example 1.
class MyClass:
pass
Example 2.
class MyClass():
pass
Example 3.
class MyClass(object):
pass
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Can grep show only words that match search pattern?
...ilename), just like how you would expect regular expression to work in vim/etc... What word or regular expression you would be searching for then, is up to you! As long as you remain to POSIX and not perl syntax (refer below)
More from the manual for grep
-o Print each match, but only the mat...
Select all DIV text with single mouse click
...problem with that is that it selects the Node itself including the DIV tag etc.
To select the Node's text as per the OP question you need to call instead:
range.selectNodeContents( ... )
So the full snippet would be:
function selectText( containerid ) {
var node = document.getE...
Replace words in the body text
...hout the body, including any instances in your HTML code (e.g. class names etc..), so use with caution - for better results, try restricting the scope of your replacement by targeting your code using document.getElementById or similar.
To replace all instances of the target string, use a simple reg...
Convert a JSON string to object in Java ME?
...tation of the work in the site, so it has exactly the same class - methods etc in this page.
If you click the html links there you can find anything you want.
In short:
to create a json object and a json array, the code is:
JSONObject obj = new JSONObject();
obj.put("variable1", o1);
obj.put...
Converting from a string to boolean in Python?
...esn't look like a proper way to do it. I.e. using built-in functionality, etc.
30 Answers
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How to annotate MYSQL autoincrement field with JPA annotations
...ething is out of sync (do a clean build, double check the build directory, etc) or something else is just wrong (check the logs for anything suspicious).
Regarding the dialect, the only difference between MySQL5Dialect or MySQL5InnoDBDialect is that the later adds ENGINE=InnoDB to the table object...
The most accurate way to check JS object's type?
...g BOTH the native Object or DataType name (such as String, Date, Number, ..etc) AND the REAL type of an object (even custom ones); is by grabbing the name property of the object prototype's constructor:
Native Type Ex1:
var string1 = "Test";
console.log(string1.__proto__.constructor.name);
displ...