大约有 40,000 项符合查询结果（耗时：0.0582秒） [XML]
Can git operate in “silent mode”?
..."$@" </dev/null >$stdout 2>$stderr; then
cat $stderr >&2
rm -f $stdout $stderr
exit 1
fi
rm -f $stdout $stderr
}
This will suppress stdout and stderr, unless the git command fails. It's not pretty; in fact the stdout file is ignored and it should ju...
How to avoid “if” chains?
...
You can use an && (logic AND):
if (executeStepA() && executeStepB() && executeStepC()){
...
}
executeThisFunctionInAnyCase();
this will satisfy both of your requirements:
executeStep<X>() should evaluat...
Creating and Update Laravel Eloquent
...thub.com/laravel/framework/blob/4.2/src/Illuminate/Database/Eloquent/Model.php#L553
on :570 and :553
/**
* Create or update a record matching the attributes, and fill it with values.
*
* @param array $attributes
* @param array $values
* @return static
*/
p...
Get table names using SELECT statement in MySQL
...o use SHOW TABLES to insert into a table you would use the following
<?php
$sql = "SHOW TABLES FROM $dbname";
$result = mysql_query($sql);
$arrayCount = 0
while ($row = mysql_fetch_row($result)) {
$tableNames[$arrayCount] = $row[0];
$arrayCount++; //only do this to make sure it starts at...
Multiple line code example in Javadoc comment
I have a small code example I want to include in the Javadoc comment for a method.
15 Answers
...
Single Page Application: advantages and disadvantages [closed]
...ts directly. I have built a 10K LOC web app with Angular, Bootstrap & PHP as the primary players with about 5K of Angular JS code. There are some really neat features of Angular but at this point I really wish I had just used a traditional page based approach and I think it would have signific...
How to validate an OAuth 2.0 access token for a resource server?
... https://support.pingidentity.com/s/document-item?bundleId=pingfederate-93&topicId=lzn1564003025072.html#lzn1564003025072__section_N10578_N1002A_N10001. It uses REST based interaction for this that is very complementary to OAuth 2.0.
...
Can I grep only the first n lines of a file?
...
Or use awk for a single process without |:
awk '/your_regexp/ && NR < 11' INPUTFILE
On each line, if your_regexp matches, and the number of records (lines) is less than 11, it executes the default action (which is printing the input line).
Or use sed:
sed -n '/your_regexp/...
I want to remove double quotes from a String
... more maintainable and just better to do this:
if (str.charAt(0) === '"' && str.charAt(str.length -1) === '"')
{
console.log(str.substr(1,str.length -2));
}
Here, I'm checking if the first and last char in the string are double quotes. If they are, I'm using substr to cut off those fi...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
... abstraction layer will be way smaller, then mongoose's.
I'm coming from PHP world, there we had raw sql with depreciated mysql_ functions, then we got PDO - object orientated abstraction layer to communicate with sql. Or you can choose some heavy ORM like Doctrine to have similar stuff to mongoos...