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Struct like objects in Java
...objects is that you have no control over the values that are set to it. In group projects where there are many programmers using the same code, it's important to avoid side effects. Besides, sometimes it's better to return a copy of field's object or transform it somehow etc. You can mock such metho...
Regular expression to match DNS hostname or IP Address?
...into some usable form, rather than just giving you a match with a bunch of groups.
For example, detecting and parsing IPv4 in (POSIX) C:
#include <arpa/inet.h>
#include <stdio.h>
int main(int argc, char *argv[]) {
for (int i=1; i!=argc; ++i) {
struct in_addr addr = {0};
prin...
What is the difference between JSF, Servlet and JSP?
... bit opaque and a lot of tedious work) when you want to replace a repeated group of components with a single component. Since JSF 2.0, JSP has been deprecated as view technology in favor of Facelets.
Note: JSP itself is NOT deprecated, just the combination of JSF with JSP is deprecated.
Note: JSP h...
Example JavaScript code to parse CSV data
... // Create an array to hold our individual pattern
// matching groups.
var arrMatches = null;
// Keep looping over the regular expression matches
// until we can no longer find a match.
while (arrMatches = objPattern.exec( strData )){
// Get...
Best way to represent a Grid or Table in AngularJS with Bootstrap 3? [closed]
... Wijmo also provides Angular Directives along with features like grouping, sorting etc. You may also check the Benchmark sample for ngGrid and Wijmo Grid with AngularJS: demos.componentone.com/wijmo/Angular/GridBenchmark/…
– Ashish
Apr 17 '14 at 9:0...
Adding custom radio buttons in android
...L for following image.
Your XML code for RadioButton will be:
<RadioGroup
android:id="@+id/daily_weekly_button_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp...
Equals(=) vs. LIKE
...s of characters. When the operations
MAX, MIN, DISTINCT, references to a grouping column, and the
UNION, EXCEPT, and INTERSECT operators refer to character
strings, the specific value selected by these operations from
a set of such equal values is implementation-dependent.
(Emphasis added....
Remove duplicate rows in MySQL
...uped LIKE your_table;
INSERT your_table_deduped
SELECT *
FROM your_table
GROUP BY index1_id,
index2_id;
RENAME TABLE your_table TO your_table_with_dupes;
RENAME TABLE your_table_deduped TO your_table;
#OPTIONAL
ALTER TABLE `your_table` ADD UNIQUE `unique_index` (`index1_id`, `index2_id...
Interface vs Base class
...imes fanatically) for IoC and TDD aspects. Abstract/Base classes serve to group hierarchically common logic and properties. It reduces duplicated code which in turn increases a solutions maintainability and makes it less prone to error.
– ComeIn
Aug 9 '18 at 1...
How to get file creation & modification date/times in Python?
...vice), st_nlink (number of hard links), st_uid
(user ID of owner), st_gid (group ID of owner), st_size (size of file, in bytes),
st_atime (time of most recent access), st_mtime (time of most recent content
modification), st_ctime (platform dependent; time of most recent metadata change on Unix, or t...