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What columns generally make good indexes?
...result is searched. If your search time is gonna increase because of index then that's bad index.
Likely in any book, "Index Page" could have chapter start page, topic page number starts, also sub topic page starts. Some clarification in Index page helps but more detailed index might confuse you or...
GNU Makefile rule generating a few targets from a single source file
...lly, there is a problem with this. If file-b.out was created as stated and then mysteriously deleted, make will be unable to recreate it because file-a.out will still be present. Any thoughts?
– makesaurus
Jun 8 '10 at 11:06
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How to fix Array indexOf() in JavaScript for Internet Explorer browsers
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The full code then would be this:
if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function(obj, start) {
for (var i = (start || 0), j = this.length; i < j; i++) {
if (this[i] === obj) { return i; }
...
Can I convert long to int?
... The default context is unchecked, so unless you've explicitly changed it, then the unchecked keyword (as shown in this answer and @ChrisMarisic's comment, etc.) is not needed, and int myIntValue = (int)myLongValue is exactly equivalent. However do note that regardless of whether you use the uncheck...
RESTful Authentication
What does RESTful Authentication mean and how does it work? I can't find a good overview on Google. My only understanding is that you pass the session key (remeberal) in the URL, but this could be horribly wrong.
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Do fragments really need an empty constructor?
...etArguments().getString(EXTRA_MESSAGE);
//...
//etc
//...
}
Then you would instantiate from your fragment manager like so:
@Override
public void onCreate(Bundle savedInstanceState) {
if (savedInstanceState == null){
getSupportFragmentManager()
.beginTransactio...
How to get the current time in Python
...ct from the datetime module:
>>> from datetime import datetime
Then remove the leading datetime. from all of the above.
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Select parent element of known element in Selenium
...;
Now that you need to select parent tag 'a' based on <span> text, then use
driver.findElement(By.xpath("//a[.//span[text()='Close']]"));
Explanation: Select the node based on its child node's value
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Breadth First Vs Depth First
...presented), infix (D, B, A, E, C, F - used for sorting: add as an AVL tree then read infix) or postfix (D, B, E, F, C, A the alternative presented) traversal. The names are given by the position in which you process the root. It should be noted that infix only really makes sense for binary trees. @b...
Javascript : Send JSON Object with Ajax?
...use content-type:application/x-www-form-urlencoded too if I use stringify, then what's the point to use application/json? :)
– Adam Halasz
Jun 20 '11 at 23:31
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