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The property 'value' does not exist on value of type 'HTMLElement'
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A quick fix for this is use [ ] to select the attribute.
function greet(elementId) {
var inputValue = document.getElementById(elementId)["value"];
if(inputValue.trim() == "") {
inputValue = "World";
}
document.getElementById("greet").i...
What is the most robust way to force a UIView to redraw?
I have a UITableView with a list of items. Selecting an item pushes a viewController that then proceeds to do the following. from method viewDidLoad I fire off a URLRequest for data that is required by on of my subviews - a UIView subclass with drawRect overridden. When the data arrives from the clo...
Return first N key:value pairs from dict
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This one is a better solution if you want to select N many key:value pairs as a dictionary, not as a list
– fermat4214
Mar 15 '17 at 11:25
1
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Is SHA-1 secure for password storage?
...") under the assumption that many user passwords will be in that specially selected space.
Hence salting will at least prevent the attacker from using pre-computed tables, in particular pre-computed rainbow tables. This assumes that the attacker will be able to break one password or two; we do not ...
How to calculate number of days between two dates
I have two input dates taking from Date Picker control. I have selected start date 2/2/2012 and end date 2/7/2012. I have written following code for that.
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App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...o change the Screen.Sizing property, on the Designer screen with Screen1 selected in Components, go to Properties on the right-hand side of the App Inventor. You will find a box below “Sizing” that usually defaults to Fixed, located about 2/3 down. This property is set project-wide.
When si...
How to checkout in Git by date?
...-parse won't work, because it doesn't offer an option to use that date for selecting the commits. Instead, you can use the following.
git checkout $(
git log --reverse --author-date-order --pretty=format:'%ai %H' master |
awk '{hash = $4} $1 >= "2016-04-12" {print hash; exit 0 }
)
(If you...
SQlite Getting nearest locations (with latitude and longitude)
... this seems to work cursor = db.getReadableDatabase().rawQuery("Select nome, id as _id, " + "( " + latitude + " - lat) * ( " + latitude +"- lat) + ( " + longitude + "- lon) * ( " + longitude + "- lon) * " + fudge + " as distanza " + " from cliente "+ " order by distanza asc", null);
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How to securely store access token and secret in Android?
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From your Android Studio's Project pane, select "Project Files" and create a new file named "keystore.properties" in your project's root directory.
Open "keystore.properties" file and save your Access Token and Secret in the file.
Now load the read the Acc...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
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using env gives maximum flexibility in that the user can select the interpreter to use by changing the PATH. Often this flexibility is not required though and the downside is that linux for example can't use the script name for the name of the process in ps and reverts to "python"....