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What is Java Servlet?
...
Servlets are snippets of java code called by the web server inside the web server itself. If you want something looking like PHP or ASP you need JSPs (which are a special kind of servlets)
– Thorbjørn Ravn Andersen
Aug 27 '11 ...
sqlalchemy: how to join several tables by one query?
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You can print the query by leaving off the .all(). So print Session.query.... to see exactly what it is doing.
– boatcoder
Oct 20 '17 at 14:43
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Sorting HashMap by values [duplicate]
...ap just like this:
public LinkedHashMap<Integer, String> sortHashMapByValues(
HashMap<Integer, String> passedMap) {
List<Integer> mapKeys = new ArrayList<>(passedMap.keySet());
List<String> mapValues = new ArrayList<>(passedMap.values());
Coll...
Calculating width from percent to pixel then minus by pixel in LESS CSS
...guments is defined as a string, and is totally static until it's evaluated by the client:
LESS Input
div {
> span {
width: calc(~'100% - 10px');
}
}
CSS Output
div > span {
width: calc(100% - 10px);
}
Interpolation of Variables
You can insert a LESS variable into the ...
How to locate the vimrc file used by vim editor?
...e: "$HOME/.gvimrc"
system menu file: "$VIMRUNTIME/menu.vim"
As noted by Herbert in comments, this is where vim looks for vimrcs, it doesn't mean they exist.
You can check the full path of your vimrc with
:echo $MYVIMRC
If the output is empty, then your vim doesn't use a user vimrc (just cr...
Escaping ampersand character in SQL string
I am trying to query a certain row by name in my sql database and it has an ampersand. I tried to set an escape character and then escape the ampersand, but for some reason this isn't working and I'm uncertain as to what exactly my problem is.
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How to create json by JavaScript for loop?
...t, this should work:
<script>
// var status = document.getElementsByID("uniqueID"); // this works too
var status = document.getElementsByName("status")[0];
var jsonArr = [];
for (var i = 0; i < status.options.length; i++) {
jsonArr.push({
id: status.options[i].text,
...
How can I do an asc and desc sort using underscore.js?
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You can use .sortBy, it will always return an ascending list:
_.sortBy([2, 3, 1], function(num) {
return num;
}); // [1, 2, 3]
But you can use the .reverse method to get it descending:
var array = _.sortBy([2, 3, 1], function(num) {
...
How does Spring autowire by name when more than one matching bean is found?
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Fine-tuning annotation-based autowiring with qualifiers
Since autowiring by type may lead to multiple candidates, it is often necessary to have more control over the selection process. One way to accomplish this is with Spring's @Qualifier annotation. This allows for associating qualifier values w...
How Drupal works? [closed]
... conventions. The 'blog' module, for example, can intercept 'user' related by implementing a function named blog_user(). In Drupal parlance, that's called hook_user().
It's a bit clunky, but due to a PHP quirk (it keeps an internal hashtable of all loaded functions), it allows Drupal to quickly che...