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How to turn on/off ReactJS 'development mode'?
...ention to toggle dev time helpers off during production. Just using the minified react will leave all those potential optimizations on the table as well.
Ultimately the magic comes down to React embedding references to process.env.NODE_ENV throughout the codebase; these act like a feature toggle.
if...
Tool to Unminify / Decompress JavaScript [closed]
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This is now in the "Sources" tab, not the Scripts tab.
– mhenry1384
Sep 24 '12 at 21:44
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How to easily map c++ enums to strings
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If you want the enum names themselves as strings, see this post.
Otherwise, a std::map<MyEnum, char const*> will work nicely. (No point in copying your string literals to std::strings in the map)
For extra syntactic su...
Dashed line border around UIView
...:yourView.bounds].CGPath;
[yourView.layer addSublayer:yourViewBorder];
Swift 3.1
var yourViewBorder = CAShapeLayer()
yourViewBorder.strokeColor = UIColor.black.cgColor
yourViewBorder.lineDashPattern = [2, 2]
yourViewBorder.frame = yourView.bounds
yourViewBorder.fillColor = nil
yourViewBorder.path...
SQLAlchemy IN clause
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If you use raw SQL for such simple queries you are better of using psycopg2 or other connector directly.
– omikron
Nov 20 '15 at 9:47
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javascript: Clear all timeouts?
...() {}, 0);
while (id--) {
window.clearTimeout(id); // will do nothing if no timeout with id is present
}
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Is it possible to run a single test in MiniTest?
... way of running a single test is by name matching (see Mr Grimm's answer). If you've tried this and rejected it then it's time to try the none-standard alternatives - such as Nick's Gem.
– notapatch
Dec 4 '13 at 13:18
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逆向工程——二进制炸弹(CSAPP Project) - 操作系统(内核) - 清泛网 - 专注...
...。用C语言重写一下，得出：
int func4(int n)
{
if (n <= 1)
return 1;
int ret = 0;
for(int i = n; i > 1; i -= 2)
{
int m = i - 1;
ret += func4(m);
}
return ret + 1;
}
最后，只要暴力搜索...
编译失败！ Error: Your build failed due to an error in the AAPT stage,...
...tivity> attribute name has invalid character
[java] /tmp/1685410160630_0.39828964915976717-0/youngandroidproject/../build/AndroidManifest.xml:5: Tag <activity> attribute name has invalid character '�'.
[java] May 30, 2023 9:29:27 AM com.google.appinventor.build...
How can I check if a Perl array contains a particular value?
... turn the array into a hash:
my %params = map { $_ => 1 } @badparams;
if(exists($params{$someparam})) { ... }
You can also add more (unique) params to the list:
$params{$newparam} = 1;
And later get a list of (unique) params back:
@badparams = keys %params;
...