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Ant task to run an Ant target only if a file exists?

...esourceexists From http://ant.apache.org/manual/Tasks/conditions.html Tests a resource for existance. since Ant 1.8.0 The actual resource to test is specified as a nested element. An example: <resourceexists> <file file="${file}"/> </resourceexists> I was a...
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Refresh a page using JavaScript or HTML [duplicate]

... no, i did not test them all – epoch Jan 10 '14 at 8:06 13 ...
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Efficient evaluation of a function at every cell of a NumPy array

Given a NumPy array A , what is the fastest/most efficient way to apply the same function, f , to every cell? 6 Ans...
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How do I get class name in PHP?

...nClass is a pretty productive option. class MyClass { public function test() { // 'MyClass' return (new \ReflectionClass($this))->getShortName(); } } Benchmark: Method Name Iterations Average Time Ops/second -------------- ------------ -------------- ...
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Differences between Ant and Maven [closed]

...from the command line will process resources, compile source, execute unit tests, create a JAR, and install the JAR in a local repository for reuse in other projects. Without modification, you can run mvn site and then find an index.html file in target/site that contains links to JavaDoc and a few ...
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How to POST JSON Data With PHP cURL?

... json incorrectly -- but even if it were correct, you would not be able to test using print_r($_POST) (read why here). Instead, on your second page, you can nab the incoming request using file_get_contents("php://input"), which will contain the POSTed json. To view the received data in a more read...
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How to determine the encoding of text?

...ca -g $tmpfile echo 'recoding ........' #iconv -f iso-8859-2 -t utf-8 back_test.xml > $tmpfile #enca -x utf-8 $tmpfile #enca -g $tmpfile recode CP1250..UTF-8 $tmpfile You might like to check the encoding by opening and reading the file in a form of a loop... but you might need to check the file...
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How to avoid isset() and empty()

...ost', 'N/A'); As an additional example, take the RealIP() function for a test: $ip = Value($_SERVER, 'HTTP_CLIENT_IP', Value($_SERVER, 'HTTP_X_FORWARDED_FOR', Value($_SERVER, 'REMOTE_ADDR'))); Neat, huh? ;) share ...
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How to colorize diff on the command line?

... 18.04 has diffutils 3.6 and therefore has it. On 3.5 it looks like this: Tested with: diff --color -u \ <(seq 6 | sed 's/$/ a/') \ <(seq 8 | grep -Ev '^(2|3)$' | sed 's/$/ a/') Apparently added in commit c0fa19fe92da71404f809aafb5f51cfd99b1bee2 (Mar 2015). Word-level diff Like diff-high...
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Best practices for in-app database migration for Sqlite

...tring stringWithFormat:@"PRAGMA user_version = %d", DatabaseSchemaVersionLatest] UTF8String], NULL, NULL, NULL); } Here's [self database] method that lazily opens the database: - (FMDatabase *)database { if (!_databaseOpen) { _databaseOpen = YES; NSString *documentsDir = [NSS...