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What is the proper way to test if a parameter is empty in a batch file?
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Use square brackets instead of quotation marks:
IF [%1] == [] GOTO MyLabel
Parentheses are insecure: only use square brackets.
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is of a type that is invalid for use as a key column in an index
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A unique constraint can't be over 8000 bytes per row and will only use the first 900 bytes even then so the safest maximum size for your keys would be:
create table [misc_info]
(
[id] INTEGER PRIMARY KEY IDENTITY NOT NULL,
[key] n...
Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
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The Apple document "Information Property List Key Reference" says that CFBundleShortVersionString represents a release version, whereas CFBundleVersion represents any build, released or not. Also, CFBundleShortVersionString can be localized, th...
How to change the indentation width in emacs javascript mode
I'd like to use 2 spaces for my indents instead of 4. I can change the default behavior of C mode using:
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Flash CS4 refuses to let go
...d it has many source files. I have a fairly heavily-used class, call it Jenine. I recently (and, perhaps, callously) relocated Jenine from one namespace to another. I thought we were ready - I thought it was time. The new Jenine was better in every way - she had lost some code bloat, she had decoupl...
Is it safe to check floating point values for equality to 0?
... on equality between double or decimal type values normally, but I'm wondering if 0 is a special case.
9 Answers
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Command line progress bar in Java
I have a Java program running in command line mode.
I would like to display a progress bar, showing the percentage of job done.
The same kind of progress bar you would see using wget under unix.
Is this possible?
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How can I merge two commits into one if I already started rebase?
I am trying to merge 2 commits into 1, so I followed “squashing commits with rebase” from git ready .
11 Answers
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express.js - single routing handler for multiple routes in a single line
Is there a way to make this on a single function call?
6 Answers
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File is universal (three slices), but it does not contain a(n) ARMv7-s slice error for static librar
I upgraded Xcode version and when using external static libraries, I get this message:
8 Answers
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