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implements Closeable or implements AutoCloseable
...entation, it is enough to call pw.close(). You should do this in a finally block:
PrintWriter pw = null;
try {
File file = new File("C:\\test.txt");
pw = new PrintWriter(file);
} catch (IOException e) {
System.out.println("bad things happen");
} finally {
if (pw != null) {
try {
...
Options for HTML scraping? [closed]
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FYI, this is a PHP library
– Tristan Havelick
Apr 18 '10 at 15:19
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Pattern to avoid nested try catch blocks?
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Also, I added continue in the catch block and break after the catch block so that the loop ends when a calculation works (thanks to Lirik for this bit)
– jjoelson
Oct 17 '11 at 16:47
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Understanding NSRunLoop
...ing the run loop.
does it mean that sometimes i can use run loop to block thread for a time
Indeed. In fact, a run loop will "stay" in an event handler until that event handler has returned. You can see this in any app simply enough. Install a handler for any IO action (e.g., button p...
Regular expression to match any character being repeated more than 10 times
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PHP's preg_replace example:
$str = "motttherbb fffaaattther";
$str = preg_replace("/([a-z])\\1/", "", $str);
echo $str;
Here [a-z] hits the character, () then allows it to be used with \\1 backreference which tries to matc...
In Ruby, how do I skip a loop in a .each loop, similar to 'continue' [duplicate]
...wnto, each_with_index, select, map and other iterators (and more generally blocks).
For more info see http://ruby-doc.org/docs/ProgrammingRuby/html/tut_expressions.html#UL.
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Error 1801 : Security Error Receiving Blocks from Browser. - App Inven...
Error 1801 : Security Error Receiving Blocks from Browser.
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[hide]App Inventor 对配套应用的每次调用都使用哈希函数（特别是 HMAC）进行签名，并且配套应用在执行代码之前会验证该哈希，以防止可能试图让您的手机执行恶...
Python -> Blockly - 闲聊区 - 清泛IT社区，为创新赋能！
https://github.com/blockpy-edu/BlockMirror
在线例子：https://blockpy-edu.github.io/BlockMirror/docs/index.html
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https://blog.ouseful.info/2016/0 ... lockly-environment/
Blockly -> Py 在线运行
See changes to a specific file using git
...short value. For example, to find out who changed foo to bar in dist/index.php, you would use git blame dist/index.php | grep bar
– Kraang Prime
May 11 '17 at 15:38
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What is the Swift equivalent to Objective-C's “@synchronized”?
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With this approach you need to be careful. Your block might be executed on some other thread. API docs say: "As an optimization, this function invokes the block on the current thread when possible."
– bio
Sep 24 '15 at 17:57
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