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How to check if std::map contains a key without doing insert?
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Use my_map.count( key ); it can only return 0 or 1, which is essentially the Boolean result you want.
Alternately my_map.find( key ) != my_map.end() works too.
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Phone: numeric keyboard for text input
...;input type="number"> in HTML5 is for “floating-point numbers”, so it isn’t suitable for credit card numbers, ZIP codes, etc.
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Why is the Android test runner reporting “Empty test suite”?
...here trying to figure out why IntelliJ/Android is reporting "Empty test suite". I have a small project with two IntelliJ Modules ("Projects" in Eclipse). The Unit test module has its own AndroidManifest.xml, which I have pasted at the bottom. I am trying to run an ActivityUnitTestCase , since the ...
What is the fastest substring search algorithm?
...sound like an idiot I'm going to state the problem/requirements more explicitly:
18 Answers
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Prepend text to beginning of string
...follow
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edited Mar 16 '17 at 14:15
T J
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Google Maps V3 - How to calculate the zoom level for a given bounds
...i-v3/browse_thread/thread/e6448fc197c3c892
The zoom levels are discrete, with the scale doubling in each step. So in general you cannot fit the bounds you want exactly (unless you are very lucky with the particular map size).
Another issue is the ratio between side lengths e.g. you cannot fit the ...
How do I update each dependency in package.json to the latest version?
...ersions since this is a fresh project and I don't mind fixing something if it breaks.
32 Answers
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How can I set multiple CSS styles in JavaScript?
...is no other CSS already set for the element (or you don't care about overwriting), make use of the cssText property:
document.getElementById("myElement").style.cssText = "display: block; position: absolute";
This is good in a sense as it avoids repainting the element every time you change a prope...
How to change past commit to include a missed file?
I have committed a change and forgot to add a file to the change set. After other commits, I realized the file is now missing from a HEAD^4 commit.
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Can you organize imports for an entire project in eclipse with a keystroke?
Wouldn't it be nice to just do a keystroke and have eclipse organize all imports in all java classes instead of just the one you are looking at? Is this possible? Is there a keystroke for it?
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