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JavaScript: client-side vs. server-side validation

... UI. Not only can they abuse your UI, but they may not be using your UI at all, or even a browser. What if the user manually edits the URL, or runs their own Javascript, or tweaks their HTTP requests with another tool? What if they send custom HTTP requests from curl or from a script, for example? ...
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How can I remove a character from a string using Javascript?

I am so close to getting this, but it just isn't right. All I would like to do is remove the character r from a string. The problem is, there is more than one instance of r in the string. However, it is always the character at index 4 (so the 5th character). ...
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Get current time in milliseconds in Python?

...illis = int(round(time.time() * 1000)) print millis Quick'n'easy. Thanks all, sorry for the brain fart. For reuse: import time current_milli_time = lambda: int(round(time.time() * 1000)) Then: >>> current_milli_time() 1378761833768 ...
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ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file

... C:\Program Files\Java\jdk1.6.0_21\bin>keytool -list -alias androiddebugkey -keystore .android\debug.keystore -storepass android -keypass android. the error i got is keytool error: java.lang.Exception: Key...
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XMLHttpRequest status 0 (responseText is empty)

... Why is this being downvoted? It is actually true! XHR requests from file:// URLs of files also on file:// URLs actually have status == 0 on success (tested on FF 24.0.5). – Daniel Roethlisberger Dec 31 '14 at 21:20 ...
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How to force Selenium WebDriver to click on element which is not currently visible?

...ome cases even that is not practical. In those cases, you may have to get all the elements that match your criteria and reference the right one by the index. It's dirty, but it works. I'm using Selenium / Watir from Ruby on Rails app, so in my case the example would be: browser = Watir::Browser.n...
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How to pass json POST data to Web API method as an object?

... with the result :) }); Model binding works for some properties, but not all ! Why ? If you do not decorate the web api method parameter with [FromBody] attribute [HttpPost] public CreateUserViewModel Save(CreateUserViewModel m) { return m; } And send the model(raw javascript object, not i...
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Maximum size of a element

... Updated 10/13/2014 All tested browsers have limits to the height/width of canvas elements, but many browsers also limit the total area of the canvas element. The limits are as follows for the browsers I'm able to test: Chrome: Maximum height/...
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HTTPURLConnection Doesn't Follow Redirect from HTTP to HTTPS

...uppose the application is set up to perform client authentication automatically. The user expects to be surfing anonymously because he's using HTTP. But if his client follows HTTPS without asking, his identity is revealed to the server. ...
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How to prevent ifelse() from turning Date objects into numeric objects

...irst this felt a little "hackish" to me. But now I just think of it as a small price to pay for the performance returns that I get from ifelse(). Plus it's still a lot more concise than a loop. share | ...