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notifyDataSetChange not working from custom adapter
...st<Receipt> newlist) {
receiptlist = newlist;
this.notifyDataSetChanged();
}
To
public void updateReceiptsList(List<Receipt> newlist) {
receiptlist.clear();
receiptlist.addAll(newlist);
this.notifyDataSetChanged();
}
So you keep the same object as your DataSet in...
Difference between object and class in Scala
...rnet and have noticed in some examples an object is declared at the start of the example.
13 Answers
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Peak memory usage of a linux/unix process
...
"VmHWM: Peak resident set size" might be more usable to measure RAM usage (instead of VmPeak that includes a lot of other things too).
– jfs
Feb 26 '19 at 6:29
...
What is the --save option for npm install?
...
Update npm 5:
As of npm 5.0.0, installed modules are added as a dependency by default, so the --save option is no longer needed. The other save options still exist and are listed in the documentation for npm install.
Original answer:
Before ...
How to convert an Array to a Set in Java
I would like to convert an array to a Set in Java. There are some obvious ways of doing this (i.e. with a loop) but I would like something a bit neater, something like:
...
How to debug Lock wait timeout exceeded on MySQL?
...------
END OF INNODB MONITOR OUTPUT
============================
1 row in set, 1 warning (0.00 sec)
You should consider increasing the lock wait timeout value for InnoDB by setting the innodb_lock_wait_timeout, default is 50 sec
mysql> show variables like 'innodb_lock_wait_timeout';
+----------...
php 遍历目录批量转换文件编码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...编码遍历当前目录及子目录。把所有的文件编码转换为UTF-8，代码如下：< ?php php iconv.php exec it on root dir$path = dirname(__F...遍历当前目录及子目录。把所有的文件编码转换为UTF-8，代码如下：
< ?php
//php iconv.php
//exec it on root dir
...
mongodb/mongoose findMany - find all documents with IDs listed in array
... editor after snippets, if snippets enabled
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Finding most changed files in Git
...o (and git help effort has no information about it :/). I assume the first set of result are ordered by filename, and the second one by number of commit per file. The man page also mention github.com/tj/git-extras/issues to report issues
– Asenar
Dec 20 '16 at ...
Explaining Python's '__enter__' and '__exit__'
...s it easy to build code which needs some 'cleandown' code executed (think of it as a try-finally block). Some more explanation here.
A useful example could be a database connection object (which then automagically closes the connection once the corresponding 'with'-statement goes out of scope):
cl...