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Find when a file was deleted in Git
I have a Git repository with n commits.
6 Answers
6
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Remove Safari/Chrome textinput/textarea glow
I am wondering if its possible to remove the default blue and yellow glow when I click on a text input / text area using CSS?
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How to clear jQuery validation error messages?
...using the jQuery validation plugin for client side validation.
Function editUser() is called on click of 'Edit User' button, which displays error messages.
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PHP validation/regex for URL
...for URLs, does anybody have one handy that works well? I didn't find one with the zend framework validation classes and have seen several implementations.
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What's the best practice for putting multiple projects in a git repository? [closed]
As some reason, I only have one repository to use.
But I have multiple projects including java projects, php scripts and Android apps projects.
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Parse a .py file, read the AST, modify it, then write back the modified source code
I want to programmatically edit python source code. Basically I want to read a .py file, generate the AST , and then write back the modified python source code (i.e. another .py file).
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How to check whether a given string is valid JSON in Java
How do I validate a JSON string in Java? Or could I parse it using regular expressions?
19 Answers
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Differences between Exception and Error
...ions are the bread and butter of exception handling. The Javadoc explains it well:
An Error is a subclass of Throwable that indicates serious problems that a
reasonable application should not try to catch. Most such errors are abnormal
conditions.
Look at a few of the subclasses of Error,...
difference between primary key and unique key
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Primary Key:
There can only be one primary key in a table
In some DBMS it cannot be NULL - e.g. MySQL adds NOT NULL
Primary Key is a unique key identifier of the record
Unique Key:
Can be more than one unique key in one table
Unique key can have NULL values
It can be a candidate key
Unique k...
Swapping two variable value without using third variable
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Using the xor swap algorithm
void xorSwap (int* x, int* y) {
if (x != y) { //ensure that memory locations are different
*x ^= *y;
*y ^= *x;
*x ^= *y;
}
}
Why the test?
The test is to ensure that x and y have diffe...