大约有 20,000 项符合查询结果（耗时：0.0324秒） [XML]
What is the Sign Off feature in Git for?
...e tracking of who did what, especially with patches.
Example commit:
Add tests for the payment processor.
Signed-off-by: Humpty Dumpty <humpty.dumpty@example.com>
It should contain the user real name if used for an open-source project.
If branch maintainer need to slightly modify patches...
Java FileOutputStream Create File if not exists
...oc), but it will create it if it can. To be sure you probably should first test that the file exists before you create the FileOutputStream (and create with createNewFile() if it doesn't):
File yourFile = new File("score.txt");
yourFile.createNewFile(); // if file already exists will do nothing
Fi...
Fast Linux File Count for a large number of files
...
The fastest way is a purpose-built program, like this:
#include <stdio.h>
#include <dirent.h>
int main(int argc, char *argv[]) {
DIR *dir;
struct dirent *ent;
long count = 0;
dir = opendir(argv[1]);
...
Android Fragment onClick button Method
...le savedInstanceState) {
return inflater.inflate(R.layout.fragment_test, container, false);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
fComm = (FragmentCommunicator) activity;
} catch (ClassCastExcept...
How do I flush the PRINT buffer in TSQL?
...ed procedure, flushing output is triggered by the GO command, e.g.
print 'test'
print 'test'
go
In general, my conclusion is following: output of mssql script execution, executing in SMS GUI or with sqlcmd.exe, is flushed to file, stdoutput, gui window on first GO statement or until the end of th...
Check if database exists in PostgreSQL using shell
...e special variable $? to the exit status of the last command. You can also test the status directly in a conditional:
if psql -lqt | cut -d \| -f 1 | grep -qw <db_name>; then
# database exists
# $? is 0
else
# ruh-roh
# $? is 1
fi
...
JavaScript check if variable exists (is defined/initialized)
...
'if( variable )' also fails for testing for the existence of object properties.
– scotts
May 4 '10 at 22:40
55
...
How to get datetime in JavaScript?
...er answers). The number of corner cases is astounding. Go look at the unit test page for moment.js (momentjs.com/tests) -- there are 66701 tests! Just use it, it's great. Or find another library, but don't write your own code for this, you will very likely miss something (I've messed this up royally...
Is it safe to assume a GUID will always be unique?
...GUIDs (for example), would it be safe to assume they're all unique to save testing each one?
6 Answers
...
Trouble comparing time with RSpec
... I think this answer is better because it expresses the intent of the test, rather than obscuring it behind some unrelated methods like to_s. Also, to_i and to_s might fail infrequently if the time is near the end of a second.
– B Seven
Dec 14 '14 at 20:12...