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Use '=' or LIKE to compare strings in SQL?
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LIKE and the equality operator have different purposes, they don't do the same thing:
= is much faster, whereas LIKE can interpret wildcards. Use = wherever you can and LIKE wherever you must.
SELECT * FROM user WHERE login LIKE 'Test%';
Sample matches:
TestUser1
TestUser2
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How to create a .jar file or export jar on IntelliJ (like eclipse java archive export) [duplicate]
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@McLan I have Ubuntu too and if you do everything like he said, you will find a new folder in your project root named 'out'. Just open all the folders inside of it and at the end you will find your .jar file.
– Matécsa Andrea
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Is there a cross-browser onload event when clicking the back button?
For all major browsers (except IE), the JavaScript onload event doesn’t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded.
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Why would $_FILES be empty when uploading files to PHP?
I have WampServer 2 installed on my Windows 7 computer. I'm using Apache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads...
Best practice to return errors in ASP.NET Web API
...practice for this, but this is working for me currently so that's what I'm doing.
Update:
Since I answered this question a few blog posts have been written on the topic:
https://weblogs.asp.net/fredriknormen/asp-net-web-api-exception-handling
(this one has some new features in the nightly builds...
How to detect if app is being built for device or simulator in Swift
...ompiler flag targeting iOS Simulators. For detailed instructions on how to do to it, see @mbelsky's answer.
Original answer
If you need a static check (e.g. not a runtime if/else) you can't detect the simulator directly, but you can detect iOS on a desktop architecture like follows
#if (arch(i386...
Split a python list into other “sublists” i.e smaller lists [duplicate]
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I'd go with that too. You might be able to do it in a more 'pythonic way' with itertools, but it will be ugly as sin!
– user391538
Mar 12 '12 at 17:04
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DateTime.Now vs. DateTime.UtcNow
... the two properties work. I know the second one is universal and basically doesn't deal with time zones, but can someone explain in detail how they work and which one should be used in what scenario?
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Using python “with” statement with try-except block
...de blocks you gave are
not equivalent
The code you described as old way
of doing things has a serious bug:
in case opening the file fails you
will get a second exception in the
finally clause because f is not
bound.
The equivalent old style code would be:
try:
f = open("file", "r")
try:
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Difference between TCP and UDP?
...ingle datagram. Datagrams reach destination and can arrive out of order or don't arrive at all. It is more efficient than TCP because it uses non ACK. It's generally used for real time communication, where a little percentage of packet loss rate is preferable to the overhead of a TCP connection.
I...