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Git Bash is extremely slow on Windows 7 x64
...You can significantly speed up Git on Windows by running three commands to set some config options:
git config --global core.preloadindex true
git config --global core.fscache true
git config --global gc.auto 256
Notes:
core.preloadindex does filesystem operations in parallel to hide latency (u...
How to trigger a build only if changes happen on particular set of files
...yntax of Jenkinsfile to describe your building pipeline, you can use changeset condition to limit stage execution only to the case when specific files are changed. This is now a standard feature of Jenkins and does not require any additional configruation/software.
stages {
stage('Nginx') {
...
Does opacity:0 have exactly the same effect as visibility:hidden
...tirely sure of this, but I think screen readers don't read things that are set to visibility hidden, but they may read things regardless of their opacity.
That's the only difference I can think of.
share
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Ignoring time zones altogether in Rails and PostgreSQL
...e preferred type in the date/time family, literally. It has typispreferred set in pg_type, which can be relevant:
Generating time series between two dates in PostgreSQL
Internal storage and epoch
Internally, timestamps occupy 8 bytes of storage on disk and in RAM. It is an integer value representi...
What is causing “Unable to allocate memory for pool” in PHP?
...APC related.
For the people having this problem, please specify you .ini settings. Specifically your apc.mmap_file_mask setting.
For file-backed mmap, it should be set to something like:
apc.mmap_file_mask=/tmp/apc.XXXXXX
To mmap directly from /dev/zero, use:
apc.mmap_file_mask=/dev/zero
Fo...
Xcode doesn't show the line that causes a crash
...
You should also ensure that you have breakpoints set for all exceptions. This will cause Xcode to stop at the line where the exception is occurring. Do the following [in Xcode 4]:
In the Project Navigator on the left side of Xcode, click on the breakpoint navigator (alm...
Getting attribute using XPath
... @KorayTugay, the XPath expression /*/book[1]/title/@lang selects a node-set of 0 or more attribute nodes, while the XPath expression string(/*/book[1]/title/@lang) when evaluated, produces the string value of this node-set -- and this is the string value of the first (in document order) node from...
How to change progress bar's progress color in Android
...
I'm sorry that it's not the answer, but what's driving the requirement setting it from code ?
And .setProgressDrawable should work if it's defined correctly
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@android:id/background">
<s...
Rails 4: assets not loading in production
I'm trying to put my app into production and image and css asset paths aren't working.
18 Answers
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“Width equals height” constraint in Interface Builder
... the width/height editor lacks the fields to relate to another property or set the ratio:
Therefore, you can't express the following code in Interface Builder:
CGFloat ratio = 1.0;
NSLayoutConstraint *constraint = [NSLayoutConstraint
constraintWithItem:myView
attribute:NSLayoutAttributeW...