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Disable assertions in Python
...ile "<string>", line 1, in <module>
AssertionError
Note that by disable I mean it also does not execute the expression that follows it:
$ python -Oc "assert 1/0"
$ python -c "assert 1/0"
Traceback (most recent call last):
File "<string>", line 1, in <module>
ZeroDivisio...
Using .otf fonts on web browsers
...commend you to switch to WOFF and TTF font types. WOFF type is implemented by every major desktop browser, while the TTF type is a fallback for older Safari, Android and iOS browsers. If your font is a free font, you could convert your font using for example a onlinefontconverter.
@font-face {
f...
Naming convention for unique constraint
...QC (if clustered).
You could use a unique index instead and go for "IXU". By the logic employed, an index is also a key but only when unique. Otherwise it's an index. So then we'd start with IK_columnname for unique indexes and IX_columnname for non-unique indexes. Marvellous.
And the only differe...
Asp.net - Add blank item at top of dropdownlist
...eed to watch out for is having your dropdown list grow after each postback by appending the same data over and over.
– Keith Sirmons
Nov 5 '08 at 23:07
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Delete a closed pull request from GitHub
...y remove all of your repository's cached views and pull requests on GitHub by contacting GitHub Support."
– Justin Domnitz
Apr 11 '18 at 18:29
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What is “incremental linking”?
...
http://msdn.microsoft.com/en-us/library/4khtbfyf.aspx
Edit: As mentioned by Logan, incremental linking is also incompatible with link time code generation - therefore losing a possible performance optimization.
You may want to use incremental linking for debug builds to speed development, but dis...
Xcode — what is $(SRCROOT)?
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That's basically your project root directory defined by Xcode.
http://developer.apple.com/library/mac/#documentation/DeveloperTools/Reference/XcodeBuildSettingRef/1-Build_Setting_Reference/build_setting_ref.html#//apple_ref/doc/uid/TP40003931-CH3-SW38
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When to use IMG vs. CSS background-image?
...tend to have
people print your page and you want the image to be included by default.
—JayTee
Use IMG (with alt text) when the image has an important semantic meaning, such as a warning icon. This ensures that the meaning of the image can be communicated in all user-agents, including screen read...
SBT stop run without exiting
...separate, forked JVM, as described at Forking, then you can kill that JVM (by any means your operating system offers) without affecting sbt's JVM:
fork in run := true
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jQuery clone() not cloning event bindings, even with on()
...handlers and data for all children of the cloned element should be copied. By default its value matches the first argument's value (which defaults to false).
Beware that .on() does not actually bind the events to the targets but to the element you are delegating to. So if you have:
$('#containe...