大约有 48,000 项符合查询结果（耗时：0.0542秒） [XML]
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...
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...
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...
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...
Create Django model or update if exists
...
In my case, in place of identifier, i have group of fields which forms unique_together. How is the usage for this case?
– Rakmo
Mar 14 '18 at 11:59
...