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Calculate the execution time of a method
...e reason for this is that the Stopwatch in .NET does not take into account CPU affinity, and therefore, if your thread moves from one core to another, the StopWatch doesn't take into account the execution time across the other cores; only the one where the thread began execution. What is your opinio...
SQL Server IN vs. EXISTS Performance
...r amount of rows on each table (by fair I mean something that exceeds your CPU processing and/or ram thresholds for caching).
So the ANSWER is it DEPENDS. You can write a complex query inside IN or EXISTS, but as a rule of thumb, you should try to use IN with a limited set of distinct values and E...
Select count(*) from multiple tables
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@Stéphane: this happens when you try Oracle code on PostgreSQL. Lose the FROM dual.
– Quassnoi
Feb 3 '16 at 12:52
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How to convert a String to CharSequence?
...them know why this code answer the question.
– Jean-Rémy Revy
Sep 22 '14 at 20:14
Wrapping a string into an array doe...
Convert objective-c typedef to its string equivalent
...o it's only created once and stays in memory otherwise. Classic memory vs. CPU conundrum.
– Joel Fischer
Apr 11 '14 at 14:24
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How to get the system uptime in Windows? [closed]
...ce tab.
The current system uptime is shown under System or Performance ⇒ CPU for Win 8/10.
2: By using the System Information Utility
The systeminfo command line utility checks and displays various system statistics such as installation date, installed hotfixes and more.
Open a Command Prompt...
Selenium WebDriver: Wait for complex page with JavaScript to load
...y be temporarily short on resources - say that an antivirus will make your CPU work fully, then 500 ms may be too short even for a noncomplex scripts.
Some scripts are never done. They call themselves with some delay (setTimeout()) and work again and again and could possibly change the HTML every ti...
Detecting when a div's height changes using jQuery
...een resized');
});
It uses a event based approach and doesn't waste your cpu time. Works in all browsers incl. IE7+.
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Installing pip packages to $HOME folder
...u export PATH=$PATH:~/Library/Python/X.Y/bin/.
– André Caron
Dec 31 '15 at 17:45
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Why does JPA have a @Transient annotation?
...field will still get serialized!
Suppose you create a entity, doing some CPU-consuming calculation to get a result and this result will not save in database. But you want to sent the entity to other Java applications to use by JMS, then you should use @Transient, not the JavaSE keyword transient. ...