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What's wrong with this 1988 C code?
... good idea to get used to putting parenthesis around macros since you generally want the macro to be evaluated first. In this case it doesn't matter since the value is a single token, but leaving out parens can lead to unexpected results when defining an expression.
– styfle
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Does Android keep the .apk files? if so where?
After android installs an application from the Marketplace, does it keep the .apk file?
19 Answers
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How to enable PHP short tags?
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We have a PHP coding test and occasionally receive submissions where the <?= short tag has been used. Unfortunately the assumption that this style is in use everywhere is a little naive and often comes from developers brought up on a diet of ASP. Clearly it is...
How to detect DIV's dimension changed?
...he div's dimension change event? and How to do that? I currently bind the callback function to the jQuery resize event on the target DIV, however, no console log is outputted, see below:
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Is the NOLOCK (Sql Server hint) bad practice?
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It is occassionally useful, but not normally for production. I use it frequently for pulling out a sample of data to test with or for generating reports where I mostly care about rough order of magnitude where a dirty read won't matter.
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How do I get the value of text input field using JavaScript?
...earchTxt"]').value; selected by name
Method 6:
document.querySelectorAll('selector')[whole_number].value which also uses a CSS selector to select elements, but it returns all elements with that selector as a static Nodelist.
For example, document.querySelectorAll('#searchTxt')[0].value; ...
Using a Single Row configuration table in SQL Server database. Bad idea?
...o the above)
positive: default values can be given to each setting individually
negative: a schema change is required to add a new setting
negative: the table can become very wide if there are lots of settings
Key/Value Pair
positive: adding new settings does not require a schema change
positive: ...
How to list the properties of a JavaScript object?
... keys;
}
Alternatively replace var getKeys with Object.prototype.keys to allow you to call .keys() on any object. Extending the prototype has some side effects and I wouldn't recommend doing it.
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How to tell if UIViewController's view is visible
... be better to check first to see if it is already loaded. I've added the call to isViewLoaded to avoid this problem.
if (viewController.isViewLoaded && viewController.view.window) {
// viewController is visible
}
Since iOS9 it has became easier:
if viewController.viewIfLoaded?.windo...
How to quickly and conveniently disable all console.log statements in my code?
Is there any way to turn off all console.log statements in my JavaScript code, for testing purposes?
28 Answers
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