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How do I hide the status bar in a Swift iOS app?
...ion, didFinishLaunchingWithOptions launchOptions: [NSObject:AnyObject]?) -> Bool {
application.statusBarHidden = true
return true
}
DONE! Run your app and no more status bar!
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i...
How to download a file from a URL in C#?
...DownloadProgressChangedEventArgs e)
{
Console.Write("\r --> {0}%.", e.ProgressPercentage);
}
private void WebClientDownloadCompleted(object sender, AsyncCompletedEventArgs args)
{
_result = !args.Cancelled;
if (!_result)
{
Consol...
jQuery: Check if div with certain class name exists
...
You can use size(), but jQuery recommends you use length to avoid the overhead of another function call:
$('div.mydivclass').length
So:
// since length is zero, it evaluates to false
if ($('div.mydivclass').length) {
http://api.jquery.com/size/
http://api.jquery.com/leng...
Node.js Mongoose.js string to ObjectId function
...oose. (Example for ADD)
....
exports.AddSomething = (req,res,next) =>{
const newSomething = new SomeEntity({
_id:new mongoose.Types.ObjectId(), //its very own ID
somethingName:req.body.somethingName,
theForeignKey: mongoose.Types.ObjectId(req.body.theForeignKey)// if you want to ...
Mvn install or Mvn package
...Eclipse.
Now if I modified any java files then do I need to do Run as -> Mvn install or Mvn package ?
8 Answers
...
What is the difference between range and xrange functions in Python 2.X?
...ython int too large to convert to C long
range(2**32-1, 2**32+1) # OK --> [4294967295L, 4294967296L]
Note that in Python 3.0 there is only range and it behaves like the 2.x xrange but without the limitations on minimum and maximum end points.
...
How to check for null in Twig?
...f var is same as(false) %} not {% if var is sameas(false) %} see Doc url => twig.symfony.com/doc/2.x/tests/sameas.html
– ahmed hamdy
Jul 15 '19 at 17:01
...
App Inventor 2 向心力实验App - 探究向心力F与角速度ω、半径r、质量m的关...
...列表项(数据列表, 新值)
如果 长度(数据列表) > 窗口大小 则
从列表中移除(数据列表, 1) // 移除最旧数据
结束如果
// 计算平均值
初始化局部变量 总和 = 0
...
Convert integer to hexadecimal and back again
.... Especially considering half the answers didn't originally have the hex -> int part
– JaredPar
Jul 16 '09 at 20:14
8
...
Output data from all columns in a dataframe in pandas [duplicate]
...d() function wraps lines in a really convenient way for looking at data:
> head(cbind(mtcars, mtcars, mtcars))
mpg cyl disp hp drat wt qsec vs am gear carb mpg cyl
Mazda RX4 21.0 6 160 110 3.90 2.620 16.46 0 1 4 4 21.0 6
Mazda RX4 Wag 21.0 6 1...