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Why shouldn't all functions be async by default?
...ill happen. Before async, if you said:
M();
N();
and M() was void M() { Q(); R(); }, and N() was void N() { S(); T(); }, and R and S produce side effects, then you know that R's side effect happens before S's side effect. But if you have async void M() { await Q(); R(); } then suddenly that goes ...
How to Select Every Row Where Column Value is NOT Distinct
... HAVING here instead of a second SELECT...WHERE causes this to be a single query, instead of the second option which executes that second SELECT...WHERE call many times. See more here: stackoverflow.com/q/9253244/550975
– Serj Sagan
Dec 6 '19 at 18:38
...
TabLayout 拓展：多模式 Tab 导航组件 · App Inventor 2 中文网
...只读）
Tab 总数。
事件
TabChanged(index, title)
Tab 切换时触发，返回新 Tab 的索引和标题。
方法
AddTab(title, contentPanel)
添加 Tab 并绑定外部内容面板（VerticalArrangement 等）。切换 Tab 时...
python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
... with the case of more than one column in the group_by, you can add .reset_index(drop=True) df.groupby(['A','C'], group_keys=False).apply(lambda x: x.ix[x.B.idxmax()]).reset_index(drop=True) This will reset the index as its default value would be a Multindex compsed from 'A' and 'C'
...
Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
...case of trying to find an element in a long list by:
try:
x = my_list[index]
except IndexError:
x = 'NO_ABC'
the try, except is the best option when the index is probably in the list and the IndexError is usually not raised. This way you avoid the need for an extra lookup by if index <...
How would you implement an LRU cache in Java?
... * 2;
cacheRegions = new CacheMap[ stripeSize ];
for ( int index = 0; index < cacheRegions.length; index++ ) {
cacheRegions[ index ] = new CacheMap<> ( limit / cacheRegions.length, fair );
}
}
public LruSimpleConcurrentCache ( final int concurren...
How do I make a Git commit in the past?
...date of every commit. Also, it would be unusual to use git commit inside --index-filter.
You are dealing with multiple, independent problems here.
Specifying Dates Other Than “now”
Each commit has two dates: the author date and the committer date. You can override each by supplying values thr...
What is the Sign Off feature in Git for?
...headers and
associated meaning for them.
See: https://git.wiki.kernel.org/index.php/CommitMessageConventions
Moral of the story
It is my impression that, although the initial motivation for this
particular metadata was some legal issues (judging by the other
answers), the practice of such metadat...
How can I simulate an anchor click via jquery?
...n" type="button" value="Click me">
<a id="thickboxId" href="myScript.php" class="thickbox" title="">Link</a>
Edit:
If you're trying to simulate a user physically clicking the link, then I don't believe that is possible. A workaround would be to update the button's click event to chan...
Getting the name of the currently executing method
...king method.
virgo47's answer (upvoted) actually computes the right index to apply in order to get back the method name.
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